Chem 051 - Fundamentals of Chemistry » Winter 2021 » Homework Week 4
Need help with your exam preparation?
Get Answers to this exam for $6 USD.
Get Answers to all exams in [ Chem 051 - Fundamentals of Chemistry ] course for $25 USD.
Existing Quiz Clients Login here
Question #1
True or false? Carbon can form single and double bonds with other atoms, but not triple bonds.
A.
B.
FALSE
C.
TRUE
Question #2
The correct name for an aqueous solution of HCl is
A.
hydrochloric acid
B.
perchloric acid
C.
hypochlorous acid
D.
hypochloric acid
E.
chloric acid
Question #3
True or false? Those compounds whose carbon-carbon bonds are all single bonds are said to be unsaturated.
A.
FALSE
B.
TRUE
Question #4
What is the formula for ethane?
A.
C2H6
B.
C6H6
C.
C5H10
D.
C3H8
E.
C4H10
Question #5
What is the correct formula for the saturated alkane that contains nine carbon atoms?
A.
C9H16
B.
C9H18
C.
C9H9
D.
C9H20
E.
C9H7
Question #6
How many isomeric alkanes of the molecular formula C4H10 are there?
A.
3
B.
2
C.
4
D.
5
Question #7
Name the following: CH3 CH2 CH3
A.
ethane
B.
butane
C.
pentane
D.
propane
Question #8
The total mass of a solution is 178.3 g. The solvent mass is 125.2 g. What is the mass percent of the solute?
A.
29.8%
B.
70.2%
C.
20.0%
D.
40.8%
Question #9
The correct name for an aqueous solution of H2SO4 is
A.
hydrosulfurous acid
B.
hydrosulfuric acid
C.
sulfuric acid
D.
sulfurous acid
Question #10
A straight-chain alkyne has six carbon atoms. Its molecular formula is
A.
C6H8.
B.
C6H12.
C.
C7H10-.
D.
C6H10.
Question #11
Which of the following is an incorrect name for an acid?
A.
sulfurous acid
B.
phosphoric acid
C.
hydrocyanic acid
D.
acetic acid
E.
hydrocarbonate acid
Question #12
The name for the acid H2SO3 is
A.
sulfurous acid
B.
sulfuric acid
C.
sulfurite acid
D.
hydrosulfuric acid
E.
hydrosulfurous acid
Question #13
Name the following molecule. CH3 – (CH2)7 – CH3
A.
heptane
B.
hexane
C.
decane
D.
octane
E.
nonane
Question #14
CH3C ≡ CCH2CH2Cl is named:
A.
1-acetylenyl-3-chloropropane
B.
1-chloro-3-pentene
C.
5-chloro-2-pentene
D.
1-chloro-3-pentyne
E.
5-chloro-2-pentyne
Question #15
Calculate the [H+] in a solution that has a pH of 8.70.
A.
2.0 X 10–9 M
B.
2.0 X 10–8 M
C.
2.0 X 10–7 M
D.
5.0 X 10–7 M
Question #16
If you mix 20.0 mL of a 3.00 M sugar solution with 30.0 mL of a 5.78 M sugar solution, you will end up with a sugar solution of ________.
A.
11.67 M
B.
0.176 M
C.
7.78 M
D.
4.39 M
E.
4.67 M
Question #17
You have 25.00 mL of a 0.1000 M sugar solution. How much water must be added to make a 0.02466 M solution?
A.
61.7 mL
B.
6.17 mL
C.
76.4 mL
D.
101.4 mL
E.
18.8 mL
Question #18
The correct name for an aqueous solution of H2CO3 is
A.
hydrocarbonic acid
B.
hydrocarbonous acid
C.
carbonous acid
D.
carbonate acid
E.
carbonic acid
Question #19
A solution has [H+] = 4.2 X 10–3 M. The [OH–] in this solution is
A.
2.4 X 10–12 M
B.
2.4 X 10–14 M
C.
1.2 X 10–14 M
D.
4.2 X 10–14 M
Question #20
A solution with a pH of 2.17 is
A.
basic
B.
acidic
C.
neutral
Question #21
True or false? A straight-chain saturated hydrocarbon cannot contain more than 10 carbon atoms.
A.
TRUE
B.
FALSE
Question #22
True or false? Butane is an example of an alkane.
A.
TRUE
B.
FALSE
Question #23
A solution with a pH of 2 is how many times more acidic as a solution with a pH of 6?
A.
10000
B.
100000
C.
3
D.
0.3
E.
8
Question #24
The correct name for an aqueous solution of H3PO4 is
A.
phosphate acid
B.
phosphoric acid
C.
hydrophosphorus acid
D.
hydrophosphoric acid
E.
phosphorous acid
Question #25
True or false? In an unsaturated hydrocarbon, the carbon-carbon bond angles are always 120o.
A.
FALSE
B.
TRUE
Question #26
Determine the concentration of a solution made by dissolving 26.1 g of sodium chloride in 750.0 mL of solution.
A.
0.595 M
B.
0.447 M
C.
0.335 M
D.
34.8 M
E.
19.6 M
Question #27
The hydrocarbon containing a carbon–carbon double bond is called a(n)
A.
cycloalkane.
B.
alkene.
C.
alkyne.
D.
alkane.
E.
aromatic.
Question #28
A solution has [OH–] = 2.7 X 10–7 M. The [H+] in this solution is
A.
3.7 X 10-8 M
B.
2.7 X 107 M
C.
3.7 X 107 M
D.
1.0 X 107 M
Question #29
The correct name for an aqueous solution of HC2H3O2 is
A.
hydrocarbonate acid
B.
acetic acid
C.
hydroacetic acid
D.
hydrocarbonic acid
Question #30
The correct name for an aqueous solution of HCN is
A.
cyanic acid
B.
cyanous acid
C.
hydrocyanic acid
D.
hydrocyanous acid
E.
cyanate acid
Question #31
The general name given to hydrocarbons with triple bonds is
A.
aromatic hydrocarbons
B.
alkynes
C.
alkenes
D.
unsaturated hydrocarbons
E.
alkanes
Need help with your exam preparation?
Get Answers to this exam for $6 USD.
Get Answers to all exams in [ Chem 051 - Fundamentals of Chemistry ] course for $25 USD.
Existing Quiz Clients Login here