{"id":7472,"date":"2021-10-13T06:38:35","date_gmt":"2021-10-13T06:38:35","guid":{"rendered":"https:\/\/assignmenttutors.net\/blog\/chem-131-section-001-spring-2016-general-chemistry-lec-ii\/"},"modified":"2021-10-13T06:38:35","modified_gmt":"2021-10-13T06:38:35","slug":"chem-131-section-001-spring-2016-general-chemistry-lec-ii","status":"publish","type":"post","link":"https:\/\/assignmenttutors.net\/blog\/chem-131-section-001-spring-2016-general-chemistry-lec-ii\/","title":{"rendered":"Chem – 131 – section 001 – spring 2016 – general chemistry lec ii"},"content":{"rendered":"
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10165 – CHEM – 131 – Section 001 – Spring 2016 – General Chemistry Lec II<\/h2>\n

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Question 1<\/span><\/strong><\/p>\n

Correct<\/span><\/p>\n

Mark 3.00 out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

All of the following are clues that a chemical reaction has taken place except<\/strong><\/span><\/p>\n

The reactant is smaller.<\/span><\/p>\n

a.A flame occurs.<\/span><\/p>\n

b.A color change occurs.<\/span><\/p>\n

c. A solid forms.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Question 2<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

Balance the following equation in standard form and determine the sum of the coefficients.<\/span><\/p>\n

a.6<\/span><\/p>\n

b.4<\/span><\/p>\n

c.3<\/span><\/p>\n

d.14<\/span><\/p>\n

e.7<\/span><\/p>\n

Question 3<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

Balance this equation using the smallest possible integers, S + HNO3<\/sub> <\/span>\u2192<\/span> H2<\/sub>SO4<\/sub> + NO2<\/sub> + H2<\/sub>O. What is the coefficient of water.<\/span><\/p>\n

Select one:<\/span><\/p>\n

a.2<\/span><\/p>\n

b.6<\/span><\/p>\n

c.8 <\/span><\/p>\n

d. 1<\/span><\/p>\n

e.<\/span><\/p>\n

Question 4<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

When the following equation is balanced using the smallest possible integers, what is the coefficent of oxygen gas?<\/span><\/p>\n

C7<\/sub>H16<\/sub>(g)<\/em> + O2<\/sub>(g)<\/em> <\/span>\u2192<\/span> CO2<\/sub>(g)<\/em> + H2<\/sub>O(g)<\/em><\/span><\/p>\n

a.5<\/span> \u00a0\u00a0<\/span><\/span><\/p>\n

b.<\/span>11<\/span><\/p>\n

c.2<\/span><\/p>\n

d.14<\/span><\/p>\n

e.8<\/span><\/p>\n

Question 5<\/p>\n

Question text<\/span><\/p>\n

True or false? The equation N2<\/sub> + 3H2<\/sub> <\/span>\u2192<\/span> 2NH3<\/sub> means that 1 g of N2<\/sub> reacts with 3 g of H2<\/sub> to form 2 g of NH3<\/sub>.<\/span><\/p>\n

Question 6<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

Which of the following statements is not<\/strong> true of balancing a chemical equation?<\/span><\/p>\n

Select one:<\/span><\/p>\n

a.Subscripts in the reactants must be conserved in the products.<\/span><\/p>\n

b.The law of conservation of matter must be followed.<\/span><\/p>\n

c.Phases are often shown for each compound but are not critical to balancing an equation.<\/span><\/p>\n

d.All of the above statements (a-d) are true.<\/span><\/p>\n

e.Coefficients are used to balance the atoms on both sides.<\/span><\/p>\n

Question 7<\/span><\/strong><\/p>\n

CH4<\/sub>(g)<\/em> + 2O2<\/sub>(g)<\/em> <\/span>\u2192<\/span> CO2<\/sub>(g)<\/em> + 2H2<\/sub>O(g)<\/em><\/span><\/p>\n

Select one:<\/span><\/p>\n

a.oxidation-reduction<\/span><\/p>\n

b.two of these<\/span><\/p>\n

c.synthesis<\/span><\/p>\n

d. decomposition<\/span><\/span><\/p>\n

e.combustion<\/span><\/p>\n

Question 8<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

Classify the following reaction:<\/span><\/p>\n

2Mg(s)<\/em> + O2<\/sub>(g)<\/em> <\/span>\u2192<\/span> 2MgO(s)<\/em><\/span><\/p>\n

Select one:<\/span><\/p>\n

a.synthesis<\/span><\/span><\/p>\n

b.oxidation-reduction<\/span><\/span><\/p>\n

c. <\/span>a-c are all correct.<\/span><\/p>\n

d.combustion<\/span><\/span><\/p>\n

e.two of the above<\/span><\/span><\/p>\n

Question 9<\/span><\/strong><\/p>\n

The equation 2Ag2<\/sub>O(s)<\/em> <\/span>\u2192<\/span> 4Ag(s)<\/em> + O2<\/sub>(g)<\/em> is a(n) ______________ reaction.<\/span><\/p>\n

Select one:<\/span><\/p>\n

a.synthesis<\/span><\/span><\/p>\n

b.two of these<\/span><\/span><\/p>\n

c. oxidation-reduction<\/span><\/span><\/p>\n

d.decomposition<\/span><\/span><\/p>\n

e.combustion<\/span><\/span><\/p>\n

Question 10<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

The reaction 2K(s)<\/em> + Br2<\/sub>(l)<\/em> <\/span>\u2192<\/span> 2KBr(s)<\/em> is a(n) ______________ reaction.<\/span><\/p>\n

Select one:<\/span><\/p>\n

a.acid-base<\/span><\/span><\/p>\n

b.oxidation-reduction<\/span><\/span><\/p>\n

c.precipitation<\/span><\/span><\/p>\n

d. single-replacement<\/span><\/span><\/p>\n

e.double-displacement<\/span><\/span><\/p>\n

Question 11<\/span><\/strong><\/p>\n

When the following equation is balanced in standard form, what is the coefficient in front of the H2<\/sub>O?
C8<\/sub>H18<\/sub>(g) + O2<\/sub>(g) <\/span>CO2<\/sub>(g) + H2<\/sub>O(g)<\/span><\/p>\n

a.8<\/span><\/span><\/p>\n

b.<\/span>18<\/span><\/p>\n

c.16<\/span><\/span><\/p>\n

d.25<\/span><\/span><\/p>\n

e.1<\/span><\/span><\/p>\n

Question 12<\/span><\/strong><\/p>\n

Which of the following is a strong acid?<\/span><\/p>\n

Select one:<\/span><\/p>\n

a.<\/span>phosphoric acid <\/span><\/p>\n

b.<\/span>acetic acid <\/span><\/p>\n

c.<\/span>hydrofluoric acid <\/span><\/p>\n

d.<\/span>lactic acid <\/span><\/p>\n

e.<\/span>hydrochloric acid <\/span><\/p>\n

Question 13<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

Which of the following statements is not<\/strong> true?<\/span><\/p>\n

a.Two nonmetals can undergo an oxidation-reduction reaction.<\/span><\/span><\/p>\n

b.A metal-nonmetal reaction involves electron transfer.<\/span><\/span><\/p>\n

c.When two nonmetals react, the compound formed is ionic.<\/span><\/span><\/p>\n

d.A metal-nonmetal reaction can always be assumed to be an oxidation-reduction reaction.<\/span><\/span><\/p>\n

e.When a metal reacts with a nonmetal, an ionic compound is formed.<\/span><\/span><\/p>\n

Question 14<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

17.7 g of Mg represents how many moles?<\/span><\/p>\n

Select one:<\/span><\/p>\n

a.none of these<\/span><\/span><\/p>\n

b.1.37 mol<\/span><\/span><\/p>\n

c.42.0 mol<\/span><\/span><\/p>\n

d.4.30 <\/span><\/span>\u00d7<\/span> 102<\/sup> mol<\/span><\/p>\n

e.0.728 mol<\/span><\/span><\/p>\n

Correct<\/span><\/p>\n

Question 15<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

21.2 g of oxygen contains<\/span><\/p>\n

a.none of the above<\/span><\/span><\/p>\n

b.1.28 <\/span><\/span>\u00d7 10<\/span>25<\/span><\/sup> oxygen molecules<\/span><\/p>\n

c.7.98 <\/span><\/span>\u00d7 10<\/span>23<\/span><\/sup> oxygen atoms<\/span><\/p>\n

d.42 amu<\/span><\/span><\/p>\n

e.1.33 mol of oxygen molecules<\/span><\/span><\/p>\n

Question 16<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

45 atoms of calcium weigh<\/span><\/p>\n

Select one:<\/span><\/p>\n

a.1.804 <\/span><\/span>\u00d7<\/span> 103<\/sup> g<\/span><\/p>\n

b.900 amu<\/span><\/span><\/p>\n

c.900 g<\/span><\/span><\/p>\n

d.1.804 <\/span><\/span>\u00d7<\/span> 103<\/sup> amu<\/span><\/p>\n

e.2.71 <\/span><\/span>\u00d7<\/span> 1025<\/sup> amu<\/span><\/p>\n

Question 17<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

8.55 x 10-3<\/sup> moles of an unknown compound has a mass of 0.257 g. The compound could be:<\/span><\/p>\n

Select one:<\/span><\/p>\n

a.<\/span>C5<\/sub>H12<\/sub> <\/span><\/p>\n

b.<\/span>CH4<\/sub> <\/span><\/p>\n

c.<\/span>C3<\/sub>H8<\/sub> <\/span><\/p>\n

d.<\/span>C2<\/sub>H6<\/sub> <\/span><\/p>\n

e.<\/span>C4<\/sub>H10<\/sub> <\/span><\/p>\n

Question 18<\/span><\/strong><\/p>\n

A 1.73-mole sample of H2<\/sub>O2<\/sub> weighs<\/span><\/p>\n

Select one:<\/span><\/p>\n

a. 31.2 amu<\/span><\/span><\/p>\n

b. 31.2 g<\/span><\/span><\/p>\n

c. 1.73 g<\/span><\/span><\/p>\n

d. 58.8 g<\/span><\/p>\n

e 35.7 g<\/span><\/span><\/p>\n

Question 19<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

A certain compound has an empirical formula of NH2<\/sub>O. Its molar mass is between 55 and 65\u00a0g\/mol. Its molecular formula is<\/span><\/p>\n

Select one:<\/span><\/p>\n

a N2<\/sub>H4<\/sub>O2<\/sub><\/span><\/span><\/p>\n

b N2<\/sub>H2<\/sub>O2<\/sub><\/span><\/span><\/p>\n

c NH2<\/sub>O<\/span><\/span><\/p>\n

d not calculable<\/span><\/span><\/p>\n

Question 20<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

A certain compound is found to have the percent composition (by mass) of 85.63%\u00a0C and 14.37%\u00a0H. The molecular formula contains 3 carbon atoms. How many hydrogen atoms are contained in a molecular of this compound?<\/span><\/p>\n

Select one:<\/span><\/p>\n

A 8<\/span><\/span><\/p>\n

b3<\/span><\/span><\/p>\n

c 2<\/span><\/span><\/p>\n

d 4<\/span><\/span><\/p>\n

\u00a0<\/span>e 6<\/span><\/span><\/p>\n

Question 21<\/span><\/strong><\/p>\n

A compound is composed of element X and hydrogen. Analysis shows the compound to be 80% X by mass, with three times as many hydrogen atoms as X atoms per molecule. Which element is element X?<\/span><\/p>\n

Select one:<\/span><\/p>\n

A F<\/span><\/span><\/p>\n

b none of these<\/span><\/span><\/p>\n

c He<\/span><\/span><\/p>\n

d S<\/span><\/span><\/p>\n

e C<\/span><\/span><\/p>\n

22<\/span><\/strong><\/p>\n

Calculate the mass of 5.333 moles of silver nitrate.<\/span><\/p>\n

a.none of these<\/span><\/span><\/p>\n

b.906.1 g<\/span><\/span><\/p>\n

c.820.8 g<\/span><\/span><\/p>\n

d.31.9 g<\/span><\/span><\/p>\n

e.3.139\u00a0\u00d7 10\u20132<\/sup> g<\/span><\/span><\/p>\n

Question 23<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

Convert: 3.577 mol K2<\/sub>O = _____________ g K2<\/sub>O<\/span><\/p>\n

a.26.33<\/span><\/span><\/p>\n

b 3.577<\/span><\/span><\/p>\n

\u00a0<\/span>c.337.0<\/span><\/span><\/p>\n

d 3.797 <\/span><\/span>\u00d7<\/span> 10\u20132<\/sup><\/span><\/p>\n

e 2.154 <\/span><\/span>\u00d7<\/span> 1024<\/sup><\/span><\/p>\n

Question 24<\/span><\/strong><\/p>\n

Convert: 9.41 mol Cu(NO3<\/sub>)2<\/sub> = ____________ g Cu(NO3<\/sub>)2<\/sub><\/span><\/p>\n

Select one:<\/span><\/p>\n

none of these<\/span><\/p>\n

b 1.77 <\/span><\/span>\u00d7<\/span> 103<\/sup><\/span><\/p>\n

c 1.61 <\/span><\/span>\u00d7<\/span> 103<\/sup><\/span><\/p>\n

d 5.02 <\/span><\/span>\u00d7<\/span> 10\u20132<\/sup><\/span><\/p>\n

e 19.9<\/span><\/span><\/p>\n

Question 25<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

Determine the percentage composition (by mass) of tin in SnCl2<\/sub>.<\/span><\/p>\n

Select one:<\/span><\/p>\n

a.62.6 %<\/span><\/span><\/p>\n

b.77.0 %<\/span><\/span><\/p>\n

c 38.5 %<\/span><\/span><\/p>\n

d 61.5 %<\/span><\/span><\/p>\n

e 18.7 %<\/span><\/span><\/p>\n

Question 26<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

The empirical formula of styrene is CH; its molar mass is 104.1 g\/mol. What is the molecular formula of styrene?<\/span><\/p>\n

Select one:<\/span><\/p>\n

a.C8<\/sub>H8<\/sub><\/span><\/span><\/p>\n

b.C2<\/sub>H4<\/sub><\/span><\/span><\/p>\n

c C6<\/sub>H6<\/sub><\/span><\/span><\/p>\n

d C10<\/sub>H12<\/sub><\/span><\/span><\/p>\n

Question 27<\/span><\/strong><\/p>\n

What is the molar mass of Li3<\/sub>PO4<\/sub>?<\/span><\/p>\n

Select one:<\/span><\/p>\n

a 83.79 g\/mol<\/span><\/span><\/p>\n

b 115.79 g\/mol<\/span><\/p>\n

c 108.85 g\/mol<\/span><\/span><\/p>\n

d 6.02 <\/span><\/span>\u00d7<\/span> 1023<\/sup> g\/mol<\/span><\/p>\n

e 84.82 g\/mol<\/span><\/span><\/p>\n

Question 28<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

Which represents the greatest mass?<\/span><\/p>\n

Select one:<\/span><\/p>\n

a.1.0 mol P<\/span><\/span><\/p>\n

b.1.0 mol K<\/span><\/span><\/p>\n

c. all the same<\/span><\/span><\/p>\n

d.1.0 mol Al<\/span><\/span><\/p>\n

e.1.0 mol I<\/span><\/span><\/p>\n

Question 29<\/span><\/strong><\/p>\n

True or false? One atomic mass unit (amu) is the mass (in grams) of one mole of the substance.<\/span><\/p>\n

Question 30<\/span><\/strong><\/p>\n

True or false? The empirical formula and the molecular formula for a compound cannot be the same.<\/span><\/p>\n

Question 31<\/span><\/strong><\/p>\n

True or false? The mole can be defined as the number equal to the number of oxygen atoms in 32.00\u00a0g of oxygen.<\/span><\/p>\n

Question 32<\/span><\/strong><\/p>\n

An excess of Al and 9.7\u00a0mol of Br2<\/sub> are reacted according to the equation<\/span><\/p>\n

\u00a0<\/p>\n

How many moles of AlBr3<\/sub> will be formed assuming 100%\u00a0yield?<\/span><\/p>\n

Select one:<\/span><\/p>\n

a.4.9 mol<\/span><\/span><\/p>\n

b.6.5 mol<\/span><\/span><\/p>\n

c.9.7 mol<\/span><\/span><\/p>\n

d.14.6 mol<\/span><\/span><\/p>\n

e.3.2 mol<\/span><\/span><\/p>\n

Question 33<\/span><\/strong><\/p>\n

Calculate the mass of water produced when 6.25\u00a0g of methane, CH4<\/sub>, reacts with an excess of oxygen in the following unbalanced<\/strong> reaction.<\/span><\/p>\n

\u00a0<\/p>\n

Select one:<\/span><\/p>\n

a.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><\/span>7.02 g H2<\/sub>O<\/span><\/p>\n

b 0.78 g H2<\/sub>O<\/span><\/span><\/p>\n

c.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><\/span>14.0 g H2<\/sub>O<\/span><\/p>\n

d.2.25\u00a0\u00d7 102<\/sup> g H2<\/sub>O<\/span><\/span><\/p>\n

e.0.347 g H2<\/sub>O<\/span><\/span><\/p>\n

Question 34<\/span><\/strong><\/p>\n

Consider the equation: <\/span>. The molar mass of B is 50.0\u00a0g\/mol. Which of the following statements is true<\/strong> when equal masses of A and B are reacted?<\/span><\/p>\n

a.If the molar mass of A is less than the molar mass of B, then B must<\/strong> determine how much C is produced.<\/span><\/span><\/p>\n

b. If the molar mass of A is greater than the molar mass of B, then B must<\/strong> determine how much C is produced.<\/span><\/span><\/p>\n

c.If the molar mass of A is greater than the molar mass of B, then A must<\/strong> determine how much C is produced.<\/span><\/span><\/p>\n

d.If the molar mass of A is less than the molar mass of B, then A must<\/strong> determine how much C is produced.<\/span><\/span><\/p>\n

e If the molar mass of A is the same as the molar mass of B, then A and B react in a perfect stoichiometric ratio and both<\/strong> determine how much C is produced.<\/span><\/span><\/p>\n

Question 35<\/span><\/strong><\/p>\n

Consider the following unbalanced<\/strong> equation: <\/span>
How many moles of water are needed to react with 232.\u00a0g of Al4<\/sub>C3<\/sub>?<\/span><\/p>\n

a.0.620 mol<\/span><\/span><\/p>\n

b.0.134 mol<\/span><\/span><\/p>\n

c 19.3 mol<\/span><\/span><\/p>\n

d 1.61 mol<\/span><\/span><\/p>\n

e 348. mol<\/span><\/span><\/p>\n

Question 36<\/span><\/strong><\/p>\n

Tin(II) fluoride is added to some dental products to help prevent cavities. Manufacturers have to make the tin(II) fluoride first, though, before they can add it to their products.<\/span><\/p>\n

\u00a0<\/p>\n

How many grams of tin(II) fluoride can be made from 58.0\u00a0g of hydrogen fluoride if there is plenty of tin available to react?<\/span><\/p>\n

a.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span><\/span><\/span>908. g<\/span><\/p>\n

B 227. g<\/span><\/span><\/p>\n

c 116. g<\/span><\/span><\/p>\n

d 454. g<\/span><\/span><\/p>\n

e 1.45 g<\/span><\/span><\/p>\n

Question 37<\/span><\/strong><\/p>\n

What mass of carbon dioxide will be produced when 12.9\u00a0g of butane reacts with an excess of oxygen in the following reaction?<\/span><\/p>\n

\u00a0<\/p>\n

a none of these<\/span><\/span><\/p>\n

\u00a0<\/span>b 39.1 g CO2<\/sub><\/span><\/span><\/p>\n

c 4.88 g CO2<\/sub><\/span><\/span><\/p>\n

d 78.1 g CO2<\/sub><\/span><\/span><\/p>\n

e 51.6 g CO2<\/sub><\/span><\/span><\/p>\n

Question 38<\/span><\/strong><\/p>\n

True or false? A balanced chemical equation is one that has the same number of moles of molecules on each side of the equation.<\/span><\/p>\n

Question 39<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

True or false? A mole ratio is used to convert the moles of a starting substance to the moles of a desired substance.<\/span><\/p>\n

Question 40<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

True or false? The equation <\/span>can be interpreted by saying that 1\u00a0mol of N2<\/sub> reacts with 3\u00a0mol of H2<\/sub> to form 2 mol of NH3<\/sub>.<\/span><\/p>\n

Question 41<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

A hydrogen balloon is at 25o<\/sup>C, 1.00 atm and has a volume of 1.00 L. How many grams of argon gas must be added<\/strong> to the hydrogen balloon to achieve a volume of 3.84 L at constant temperature and pressure?<\/span><\/p>\n

Select one:<\/span><\/p>\n

a 4.64 g<\/span><\/span><\/p>\n

b 93.9 g<\/span><\/p>\n

c none of these<\/span><\/span><\/p>\n

d 6.27 g<\/span><\/span><\/p>\n

e 7.91 g<\/span><\/span><\/p>\n

Question 42<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

A sample of an ideal gas containing 0.918 mol is collected at 742 torr pressure and 31\u00b0C. Calculate the volume.<\/span><\/p>\n

Select one:<\/span><\/p>\n

a<\/span>L<\/span><\/p>\n

b 23.5 L<\/span><\/span><\/p>\n

c<\/span>L<\/span><\/p>\n

d none of these<\/span><\/span><\/p>\n

e 2.39 L<\/span><\/span><\/p>\n

Question 43<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

A sample of oxygen gas (O2<\/sub>) has a volume of 7.86 L at a temperature of 19o<\/sup>C and a pressure of 1.38 atm. Calculate the moles of O2<\/sub> molecules present in this gas sample.<\/span><\/p>\n

Select one:<\/span><\/p>\n

A none of these<\/span><\/span><\/p>\n

B 0.226 mol<\/span><\/span><\/p>\n

\u00a0<\/span><\/p>\n

C 6.96 mol<\/span><\/p>\n

D 0.905 mol<\/span><\/span><\/p>\n

E 0.453 mol<\/span><\/span><\/p>\n

Question 44<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

An oxygen sample has a volume of 9.77 L at 27\u00b0C and 800.0 torr. How many oxygen molecules does it contain?<\/span><\/p>\n

\u00a0<\/p>\n

Question 45<\/span><\/strong><\/p>\n

Avogadro’s law states that:<\/span><\/p>\n

a The volume of a fixed amount of gas is indirectly proportional to its temperature in Kelvin at constant pressure.<\/span><\/span><\/p>\n

b The volume of a fixed amount of gas is inversely proportional to its pressure at constant temperature.<\/span><\/span><\/p>\n

c The total pressure of a mixture of gases is the simple sum of the partial pressure of all of the gaseous compounds.<\/span><\/span><\/p>\n

d Equal amounts of gases occupy the same volume at constant temperature and pressure.<\/span><\/span><\/p>\n

e The volume of a fixed amount of gas is directly proportional to its temperature in Kelvin at constant pressure.<\/span><\/span><\/p>\n

Question 46<\/span><\/strong><\/p>\n

Boyle’s law states that:<\/span><\/p>\n

Select one:<\/span><\/p>\n

a Equal amounts of gases occupy the same volume at constant temperature and pressure.<\/span><\/span><\/p>\n

b The volume of a fixed amount of gas is inversely proportional to its pressure at constant temperature.<\/span><\/span><\/p>\n

c The volume of a fixed amount of gas is proportional to its pressure at constant temperature.<\/span><\/span><\/p>\n

d The volume of a fixed amount of gas is directly proportional to its temperature in Kelvin at constant pressure.<\/span><\/p>\n

e The total pressure of a mixture of gases is the simple sum of the partial pressure of all of the gaseous compounds.<\/span><\/span><\/p>\n

Question 47<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

Charles’s law states that:<\/span><\/p>\n

a.The volume of a fixed amount of gas is inversely proportional to its pressure at constant temperature.<\/span><\/span><\/p>\n

b. The total pressure of a mixture of gases is the simple sum of the partial pressure of all of the gaseous compounds.<\/span><\/span><\/p>\n

C The volume of a fixed amount of gas is directly proportional to its temperature in Kelvin at constant pressure.<\/span><\/span><\/p>\n

D The volume of a fixed amount of gas is indirectly proportional to its temperature in Kelvin at constant pressure.<\/span><\/span><\/p>\n

E Equal amounts of gases occupy the same volume at constant temperature and pressure.<\/span><\/span><\/p>\n

Question 48<\/span><\/strong><\/p>\n

A solution has [H+<\/sup>] = 4.7 <\/span>\u00d7<\/span> 10-8<\/sup> M<\/em>. The pH of this solution is<\/span><\/p>\n

a.9.80<\/span><\/span><\/p>\n

b.7.33<\/span><\/span><\/p>\n

c.6.01<\/span><\/span><\/p>\n

d. none of these<\/span><\/span><\/p>\n

e.6.67<\/span><\/span><\/p>\n

Question 49<\/span><\/strong><\/p>\n

A solution has a pH of 3.66. The pOH of this solution is<\/span><\/p>\n

Select one:<\/span><\/p>\n

a.10.34<\/span><\/span><\/p>\n

b.none of these<\/span><\/span><\/p>\n

c.10.24<\/span><\/span><\/p>\n

d.3.76<\/span><\/span><\/p>\n

e. 3.66<\/span><\/span><\/p>\n

Question 50<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

A solution where [H+<\/sup>] = 10-13<\/sup> M<\/em> is ______________.<\/span><\/p>\n

Select one:<\/span><\/p>\n

A acidic<\/span><\/span><\/p>\n

B basic<\/span><\/span><\/p>\n

C strongly acidic<\/span><\/span><\/p>\n

d.neutral<\/span><\/span><\/p>\n

e.two of these<\/span><\/span><\/p>\n

Question 51<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

Calculate the [H+<\/sup>] in a solution that has a pH of 2.39.<\/span><\/p>\n

Select one:<\/span><\/p>\n

a<\/span>M<\/span><\/em><\/p>\n

b none of these<\/span><\/span><\/p>\n

c 11.61 M<\/em><\/span><\/span><\/p>\n

d 2.39 M<\/em><\/span><\/span><\/p>\n

e<\/span>M<\/span><\/em><\/p>\n

Question 52<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

What is the pH of a 3.6 M<\/em> solution of HClO4<\/sub>?<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

0.56<\/span><\/p>\n

[removed]b. <\/span><\/p>\n

13.44<\/span><\/p>\n

[removed]c. <\/span><\/p>\n

\u20130.56<\/span><\/p>\n

[removed]d. <\/span><\/p>\n

14.56<\/span><\/p>\n

[removed]e. <\/span><\/p>\n

minus infinity<\/span><\/p>\n

Question 53<\/span><\/strong><\/p>\n

Question text<\/span><\/strong><\/p>\n

What is the pH of a solution that has [OH–<\/sup>] = <\/span>.<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

3.84 M<\/em><\/span><\/p>\n

[removed]b. <\/span><\/p>\n

1.92 M<\/em><\/span><\/p>\n

[removed]c. <\/span><\/p>\n

none of these<\/span><\/p>\n

[removed]d. <\/span><\/p>\n

10.16 M<\/em><\/span><\/p>\n

[removed]e. <\/span><\/p>\n

6.90 M<\/em><\/span><\/p>\n

Question 54<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

Which of the following is not a strong acid?<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

HClO4<\/sub> <\/span><\/p>\n

[removed]b. <\/span><\/p>\n

H2<\/sub>SO4<\/sub> <\/span><\/p>\n

[removed]c. <\/span><\/p>\n

CH3<\/sub>COOH <\/span><\/p>\n

[removed]d. <\/span><\/p>\n

HCl <\/span><\/p>\n

[removed]e. <\/span><\/p>\n

HNO3<\/sub> <\/span><\/p>\n

Question 55<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

Which of the following statements is\/are correct?<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

None of the above statements (a-c) are correct.<\/span><\/p>\n

[removed]b. <\/span><\/p>\n

In a basic solution, [OH–<\/sup>] > [H+<\/sup>].<\/span><\/p>\n

[removed]c. <\/span><\/p>\n

All of the above statements (a-c) are correct.<\/span><\/p>\n

[removed]d. <\/span><\/p>\n

In an acidic solution, [H+<\/sup>] > [OH–<\/sup>].<\/span><\/p>\n

[removed]e. <\/span><\/p>\n

In a neutral solution, [H+<\/sup>] = [OH–<\/sup>].<\/span><\/p>\n

Question 56<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

Choose the correct Lewis structure for the NH4<\/sub>+<\/sup> ion.<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

\u00a0<\/p>\n

[removed]b. <\/span><\/p>\n

\u00a0<\/p>\n

[removed]c. <\/span><\/p>\n

none of these<\/span><\/p>\n

[removed]d. <\/span><\/p>\n

\u00a0<\/p>\n

[removed]e. <\/span><\/p>\n

\u00a0<\/p>\n

Question 57<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

Consider the drawings below:<\/span><\/p>\n

\u00a0<\/p>\n

Which of the following statements are true?<\/span><\/p>\n

I. The electrons in each molecule tend to be attracted to the most electronegative element.
II. Each molecular drawing follows the localized electron model.
III. Both HF and CO2<\/sub> are linear molecules and therefore nonpolar.
IV. The bond angles of NH3<\/sub> are slightly less than 109.5o<\/sup> because the lone pair compresses the angles between the bonding pairs.<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

II, IV<\/span><\/p>\n

[removed]b. <\/span><\/p>\n

All of the above statements (I – IV) are correct.<\/span><\/p>\n

[removed]c. <\/span><\/p>\n

I, III, IV<\/span><\/p>\n

[removed]d. <\/span><\/p>\n

I, II, III<\/span><\/p>\n

[removed]e. <\/span><\/p>\n

I, II, IV<\/span><\/p>\n

Question 58<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

How many lone pairs of electrons are in the Lewis structure for compound, HF?<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

3<\/span><\/p>\n

[removed]b. <\/span><\/p>\n

4<\/span><\/p>\n

[removed]c. <\/span><\/p>\n

1<\/span><\/p>\n

[removed]d. <\/span><\/p>\n

0<\/span><\/p>\n

[removed]e. <\/span><\/p>\n

none of these<\/span><\/p>\n

Question 59<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

How many of the following will have <\/span>Lewis structures<\/span><\/a> with multiple bonds?
CO, CO2<\/sub>, CO3<\/sub>2-<\/sup>, N2<\/sub>, O2<\/sub><\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

2<\/span><\/p>\n

[removed]b. <\/span><\/p>\n

1<\/span><\/p>\n

[removed]c. <\/span><\/p>\n

3<\/span><\/p>\n

[removed]d. <\/span><\/p>\n

5<\/span><\/p>\n

[removed]e. <\/span><\/p>\n

4<\/span><\/p>\n

Question 60<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

The number of polar covalent bonds in SF4<\/sub> is<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

none of these<\/span><\/p>\n

[removed]b. <\/span><\/p>\n

3<\/span><\/p>\n

[removed]c. <\/span><\/p>\n

2<\/span><\/p>\n

[removed]d. <\/span><\/p>\n

4<\/span><\/p>\n

[removed]e. <\/span><\/p>\n

1<\/span><\/p>\n

Question 61<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

Which has a bent structure?<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

NH3<\/sub><\/span><\/p>\n

[removed]b. <\/span><\/p>\n

CO2<\/sub><\/span><\/p>\n

[removed]c. <\/span><\/p>\n

CaCl2<\/sub><\/span><\/p>\n

[removed]d. <\/span><\/p>\n

O2<\/sub><\/span><\/p>\n

[removed]e. <\/span><\/p>\n

H2<\/sub>O<\/span><\/p>\n

Question 62<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

Which has a linear structure?<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

SCl2<\/sub><\/span><\/p>\n

[removed]b. <\/span><\/p>\n

OF2<\/sub><\/span><\/p>\n

[removed]c. <\/span><\/p>\n

CO2<\/sub><\/span><\/p>\n

[removed]d. <\/span><\/p>\n

CaCl2<\/sub><\/span><\/p>\n

[removed]e. <\/span><\/p>\n

SO2<\/sub><\/span><\/p>\n

Question 63<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

Which has a planar structure?<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

CO3<\/sub>2-<\/sup><\/span><\/p>\n

[removed]b. <\/span><\/p>\n

H3<\/sub>O+<\/sup><\/span><\/p>\n

[removed]c. <\/span><\/p>\n

CH4<\/sub><\/span><\/p>\n

[removed]d. <\/span><\/p>\n

NF3<\/sub><\/span><\/p>\n

[removed]e. <\/span><\/p>\n

SO3<\/sub>2-<\/sup><\/span><\/p>\n

Question 64<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

Which has a tetrahedral structure?<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

CO3<\/sub>2-<\/sup><\/span><\/p>\n

[removed]b. <\/span><\/p>\n

NH3<\/sub><\/span><\/p>\n

[removed]c. <\/span><\/p>\n

SO3<\/sub><\/span><\/p>\n

[removed]d. <\/span><\/p>\n

CH4<\/sub><\/span><\/p>\n

[removed]e. <\/span><\/p>\n

SO3<\/sub>2-<\/sup><\/span><\/p>\n

Question 65<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

Which has a trigonal pyramid structure?<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

NO3<\/sub>–<\/sup><\/span><\/p>\n

[removed]b. <\/span><\/p>\n

SO3<\/sub>2-<\/sup><\/span><\/p>\n

[removed]c. <\/span><\/p>\n

CO3<\/sub>2-<\/sup><\/span><\/p>\n

[removed]d. <\/span><\/p>\n

CH4<\/sub><\/span><\/p>\n

[removed]e. <\/span><\/p>\n

SO3<\/sub><\/span><\/p>\n

Question 66<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

Which of the following bonds does not<\/strong> have a dipole moment?<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

C-H<\/span><\/p>\n

[removed]b. <\/span><\/p>\n

B-F<\/span><\/p>\n

[removed]c. <\/span><\/p>\n

Br-H<\/span><\/p>\n

[removed]d. <\/span><\/p>\n

F-F<\/span><\/p>\n

[removed]e. <\/span><\/p>\n

F-H<\/span><\/p>\n

Question 67<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 3.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

Which of these has more than one reasonable resonance structure?<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]a. <\/span><\/p>\n

SiCl4<\/sub><\/span><\/p>\n

[removed]b. <\/span><\/p>\n

BH4<\/sub>–<\/sup><\/span><\/p>\n

[removed]c. <\/span><\/p>\n

NO3<\/sub>–<\/sup><\/span><\/p>\n

[removed]d. <\/span><\/p>\n

N2<\/sub>H4<\/sub><\/span><\/p>\n

[removed]e. <\/span><\/p>\n

PH3<\/sub><\/span><\/p>\n

Question 68<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 1.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

True or false? A bond is a force that holds groups of two or more atoms together and makes them function as a unit.<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]True <\/span><\/p>\n

[removed]False <\/span><\/p>\n

Question 69<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 1.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

True or false? CH4<\/sub> has ionic bonds.<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]True <\/span><\/p>\n

[removed]False <\/span><\/p>\n

Question 70<\/span><\/strong><\/p>\n

Not answered<\/span><\/p>\n

Marked out of 1.00<\/span><\/p>\n

[removed]Flag question<\/span><\/p>\n

Question text<\/span><\/strong><\/p>\n

True or false? Covalent bonding occurs when a metal reacts with a nonmetal.<\/span><\/p>\n

Select one:<\/span><\/p>\n

[removed]True <\/span><\/p>\n

[removed]False <\/span><\/p>\n

\u00a0<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u00a0 \u00a0 10165 – CHEM – 131 – Section 001 – Spring 2016 – General Chemistry Lec II \u00a0 \u00a0 Question 1 Correct Mark 3.00 out of 3.00 [removed]Flag question Question text All of the following are clues that a chemical reaction has taken place except The reactant is smaller. a.A flame occurs. b.A color […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-7472","post","type-post","status-publish","format-standard","hentry","category-homework-help"],"_links":{"self":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/7472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/comments?post=7472"}],"version-history":[{"count":0,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/7472\/revisions"}],"wp:attachment":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/media?parent=7472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/categories?post=7472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/tags?post=7472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}