{"id":6670,"date":"2021-10-10T06:16:28","date_gmt":"2021-10-10T06:16:28","guid":{"rendered":"https:\/\/assignmenttutors.net\/blog\/chem-1045-quiz-chapter-3\/"},"modified":"2021-10-10T06:16:28","modified_gmt":"2021-10-10T06:16:28","slug":"chem-1045-quiz-chapter-3","status":"publish","type":"post","link":"https:\/\/assignmenttutors.net\/blog\/chem-1045-quiz-chapter-3\/","title":{"rendered":"Chem 1045 quiz chapter 3"},"content":{"rendered":"
\n

MGMT 404 CHAPTER 3 QUIZ <\/p>\n

Exercise 3.28: Problems by Topic – Chemical Formulas and Molecular View of Elements and Compounds
Part A
Which of the following elements have molecules as their basic units?
Check all that apply.
ANSWER:
\u00a0fluorine <\/p>\n

\u00a0lead <\/p>\n

\u00a0nitrogen <\/p>\n

\u00a0bromine <\/p>\n

Correct
Exercise 3.30: Problems by Topic – Chemical Formulas and Molecular View of Elements and Compounds
Classify each of the following compounds as ionic or molecular.
Part A
CF2Cl2
ANSWER:
\u00a0molecular <\/p>\n

\u00a0ionic <\/p>\n

Correct
Part B
CO
ANSWER:
\u00a0ionic <\/p>\n

\u00a0molecular <\/p>\n

Correct
Part C
ClO2
ANSWER:
\u00a0ionic <\/p>\n

\u00a0molecular <\/p>\n

Correct
Part D
NI3
ANSWER:
\u00a0molecular <\/p>\n

\u00a0ionic <\/p>\n

Correct
Exercise 3.34: Problems by Topic – Formulas and Names for Ionic Compounds
Write a formula for the ionic compound that forms between each of the following pairs of elements.
Part A
caesium and chlorine
Express your answer as a chemical formula.
ANSWER:
Correct
Part B
aluminum and nitrogen
Express your answer as a chemical formula.
ANSWER:
Correct
Part C
sodium and oxygen
Express your answer as a chemical formula.
ANSWER:
Correct
Part D
barium and bromine
Express your answer as a chemical formula.
ANSWER:
Correct
Exercise 3.46: Problems by Topic – Formulas and Names for Ionic Compounds
Write a formula for each of the following ionic compounds.
Part A
lead(II) chloride
Express your answer as a chemical formula.
ANSWER:
Correct
Part B
iron(II) iodate
Express your answer as a chemical formula.
ANSWER:
Correct
Part C
potassium chromate
Express your answer as a chemical formula.
ANSWER:<\/p>\n

Correct
Part D
potassium fluoride
Express your answer as a chemical formula.
ANSWER:
Correct
Part E
iron(III) hydroxide
Express your answer as a chemical formula.
ANSWER:
Correct
Part F
calcium phosphate
Express your answer as a chemical formula.
ANSWER:
Correct
Exercise 3.52: Problems by Topic – Formulas and Names for Molecular Compounds and Acids
Write a formula for each of the following molecular compounds.
Part A
dichlorine hexoxide
Express your answer as a chemical formula.
ANSWER:
Correct
Part B
dichlorine monoxide
Express your answer as a chemical formula.
ANSWER:<\/p>\n

Correct
Part C
dinitrogen trioxide
Express your answer as a chemical formula.
ANSWER:
Correct
Part D
diboron hexahydride
Express your answer as a chemical formula.
ANSWER:
Correct
Part E
diboron tetrachloride
Express your answer as a chemical formula.
ANSWER:
Correct
Exercise 3.58: Problems by Topic – Formula Mass and the Mole Concept for Compounds
Calculate the formula mass for each of the following compounds.
Part A
MgBr2
Express your answer using two decimal places.
ANSWER:
Correct
Part B
H3PO4
Express your answer using two decimal places.
ANSWER:
All attempts used; correct answer displayed
Part C
CBr4
Express your answer using two decimal places.
ANSWER:
Answer Requested
Part D
FeCl2
Express your answer using two decimal places.
ANSWER:
Answer Requested
Exercise 3.66: Problems by Topic – Composition of Compounds
Calculate the mass percent composition of nitrogen in each of the following nitrogen compounds.
Part A
N2O5
Express your answer using four significant figures.
ANSWER:
Answer Requested
Part B
Si3N4
Express your answer using four significant figures.
ANSWER:
Correct
Part C
NO2
Express your answer using four significant figures.
ANSWER:
Correct
Part D
HNO3
Express your answer using four significant figures.
ANSWER:
Correct
Exercise 3.72: Problems by Topic – Composition of Compounds
The American Dental Association recommends that an adult female should consume 3.0 mg of fluoride (F\u2212) per day to prevent tooth decay.
Part A
If the fluoride is consumed as sodium fluoride (45.24% F), what amount of sodium fluoride contains the recommended amount of fluoride?
Express your answer using two significant figures.
ANSWER:
Correct
Exercise 3.80: Problems by Topic – Chemical Formulas from Experimental Data
Samples of several compounds are decomposed and the masses of their constituent elements are shown below. Calculate the empirical formula for each compound.
Part A
1.245 g Ni, 5.381 gI
Express your answer as a chemical formula.
ANSWER:
Answer Requested
Part B
2.677 gBa, 1.382 g Cl
Express your answer as a chemical formula.
ANSWER:<\/p>\n

Correct
Part C
14.980 g Cu, 7.557 gS, 15.107 gO
Express your answer as a chemical formula.
ANSWER:<\/p>\n

Correct
Exercise 3.86: Problems by Topic – Chemical Formulas from Experimental Data
The molar mass and empirical formula of several compounds are listed below. Find the molecular formula of each compound.
Part A
C4H9, 114.27 g\/mol
Express your answer as a chemical formula.
ANSWER:
Correct
Part B
CCl, 189.82 g\/mol
Express your answer as a chemical formula.
ANSWER:
Correct
Part C
C3H2N, 208.25 g\/mol
Express your answer as a chemical formula.
ANSWER:
Answer Requested
Exercise 3.94: Problems by Topic – Writing and Balancing Chemical Equations
When iron rusts, solid iron reacts with gaseous oxygen to form solid iron(III) oxide.
Part A
Write a balanced chemical equation for this reaction.
Express your answer as a chemical equation. Identify all of the phases in your answer.
ANSWER:
Answer Requested
Exercise 3.119: Cumulative Problems
Combustion analysis of a 13.42-g sample of estradiol (which contains only carbon, hydrogen, and oxygen) produced 39.01 g CO2 and 10.65 g H2O. The molar mass of estradiol is 272.38 g\/mol .
Part A
Find the molecular formula for estradiol.
Express your answer as a chemical formula.
ANSWER:
Answer Requested
Exercise 3.60: Problems by Topic – Formula Mass and the Mole Concept for Compounds
Calculate the mass (in g) of each of the following.
Part A
5.59\u00d71020 SO3 molecules
ANSWER:
Answer Requested
Part B
2.4\u00d71022 H2O molecules
Express your answer using two significant figures.
ANSWER:
m2 = \u00a0\u00a0\u00a0 0.72\u00a0\u00a0\u00a0 \u00a0 g\u00a0
Answer Requested
Part C
4.8\u00d71025 O3 molecules
Express your answer using two significant figures.
ANSWER:
Answer Requested
Part D
9.77\u00d71019 CCl2F2 molecules
ANSWER:
Correct<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

MGMT 404 CHAPTER 3 QUIZ Exercise 3.28: Problems by Topic – Chemical Formulas and Molecular View of Elements and CompoundsPart A Which of the following elements have molecules as their basic units?Check all that apply.ANSWER:\u00a0fluorine \u00a0lead \u00a0nitrogen \u00a0bromine CorrectExercise 3.30: Problems by Topic – Chemical Formulas and Molecular View of Elements and CompoundsClassify each of […]<\/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-6670","post","type-post","status-publish","format-standard","hentry","category-homework-help"],"_links":{"self":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/6670","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=6670"}],"version-history":[{"count":0,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/6670\/revisions"}],"wp:attachment":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/media?parent=6670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/categories?post=6670"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/tags?post=6670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}