Chem 1045 quiz chapter 3

MGMT 404 CHAPTER 3 QUIZ

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:
 fluorine

 lead

 nitrogen

 bromine

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:
 molecular

 ionic

Correct
Part B
CO
ANSWER:
 ionic

 molecular

Correct
Part C
ClO2
ANSWER:
 ionic

 molecular

Correct
Part D
NI3
ANSWER:
 molecular

 ionic

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:

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:

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−) 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:

Correct
Part C
14.980 g Cu, 7.557 gS, 15.107 gO
Express your answer as a chemical formula.
ANSWER:

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
5.59×1020 SO3 molecules
ANSWER:
Answer Requested
Part B
2.4×1022 H2O molecules
Express your answer using two significant figures.
ANSWER:
m2 =     0.72      g 
Answer Requested
Part C
4.8×1025 O3 molecules
Express your answer using two significant figures.
ANSWER:
Answer Requested
Part D
9.77×1019 CCl2F2 molecules
ANSWER:
Correct

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more