ACS Final Exam Practice Questions
Practice ACS exam questions on unit conversions: speed of light in nm/ms and helium density in lb/ft³, helping students prepare for the General Chemistry official guide exam.
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Final Exam Practice Questions
From Preparingfor Your ACS Exam (nation in General Chemistry: The Official Guide
Constants and Conversions
7? = 8.314 ? • ?o? - 1 - ? - J
7? = 0.0821 ? ■ at? ■ ?o? - 1 - ? - 1
NA = 6.022 x 1(P mol-i
h = 6.62 x Iff34 J-s
c = 2.998 x 10s m-s 1
0°C = 273.15 K
1 atm = 760 mmHg
1 atm = 760 ton
1. The speed of light is 3.0xl03 m s. What is this speed in nm ms?
A. 3.0x104* nm ms
B. 3.0x10: nmms
C. 3.0x1014 nm ins
D. 3.0x1020 nm ms
2. The density of helium is 0.164 kg m 3
. What is this density in lb ft3? 1 kg=2.20 lb and 1 m=3.28 ft.
A. 0.0102 lb ft3
B. 0.1101b ft3
C. 1.18 lb ft 3
D. 12.71b.ft 3
3. Based on the figure what volume should be reported for the liquid?
A. 20.8 mL
B. 20.68 mL
C. 20.6 mL
D. 20.57 mL
4. What is the correctly reported mass of water based on the data in the table?
A.
B
C.
D.
5.
A.
B
C
D.
1.3 g
1.30 g
1.298g
1.2980 g
What is the name of TifPOyw?
Titanium phosphate
Titanium (III) phosphate
Titanium (IV) phosphate
Titanium tetraphosphate
Mass of beaker and water
Mass of beaker only
29.62 g
28.3220 n
From Preparingfor Your ACS Exam (nation in General Chemistry: The Official Guide
Constants and Conversions
7? = 8.314 ? • ?o? - 1 - ? - J
7? = 0.0821 ? ■ at? ■ ?o? - 1 - ? - 1
NA = 6.022 x 1(P mol-i
h = 6.62 x Iff34 J-s
c = 2.998 x 10s m-s 1
0°C = 273.15 K
1 atm = 760 mmHg
1 atm = 760 ton
1. The speed of light is 3.0xl03 m s. What is this speed in nm ms?
A. 3.0x104* nm ms
B. 3.0x10: nmms
C. 3.0x1014 nm ins
D. 3.0x1020 nm ms
2. The density of helium is 0.164 kg m 3
. What is this density in lb ft3? 1 kg=2.20 lb and 1 m=3.28 ft.
A. 0.0102 lb ft3
B. 0.1101b ft3
C. 1.18 lb ft 3
D. 12.71b.ft 3
3. Based on the figure what volume should be reported for the liquid?
A. 20.8 mL
B. 20.68 mL
C. 20.6 mL
D. 20.57 mL
4. What is the correctly reported mass of water based on the data in the table?
A.
B
C.
D.
5.
A.
B
C
D.
1.3 g
1.30 g
1.298g
1.2980 g
What is the name of TifPOyw?
Titanium phosphate
Titanium (III) phosphate
Titanium (IV) phosphate
Titanium tetraphosphate
Mass of beaker and water
Mass of beaker only
29.62 g
28.3220 n
6. The formula of strontium hexafluorosilicate is SrSiFj. What is the formula of aluminum
hexafluorosilicate?
A AlSiFj
B. Al SiF a
C. Al=SiF s
D. Al.<SiF6 )i
7. Which is NOT named correctly?
A. MnCh manganese (II) oxide
B. CuSOi copper (If) sulfate
C. NajPOt sodium phosphate
D. CaFi calcium fluoride
S. What is the correct name for NjO? ?
A. Nitrogen (II) oxide
B. Nitrogen (V) oxide
C. Dinitrogen oxide
D. Dinitrogen pentoxide
9. What is the formula of sulfur tricxide?
A SO;
B. SOs
C. S O /
D. S O /
10. What is the name of HBrO4 (aq)?
A. Bromic acid
B. Bromous acid
C. Hydrobroniic acid
D. Perbromic acid
11. What is the formula of hydroiodic acid?
A. HI (aq)
B. HIO (aq)
C. EHCh(aq)
D. HIOh(aq)
12. If a palladium nanoparticle has a density of 12.0 g cm-, tvhat is the mass of a nanoparticle with a
volume of l.S4xlO"*] cm3?
A. 2.21xl0":o g
B. 1.63xlO"2Cg
C. 6.52x10-21 g
D. 1.53x10"“ g
13. Which sample has the largest volume? The density' of aluminum is 2.7 g cnr and for copper is 9.0
gem*.
A. 1.0 g aluminum
B. 5.0 g aluminum
C. 1.0 g copper
D. 5.0 g copper
hexafluorosilicate?
A AlSiFj
B. Al SiF a
C. Al=SiF s
D. Al.<SiF6 )i
7. Which is NOT named correctly?
A. MnCh manganese (II) oxide
B. CuSOi copper (If) sulfate
C. NajPOt sodium phosphate
D. CaFi calcium fluoride
S. What is the correct name for NjO? ?
A. Nitrogen (II) oxide
B. Nitrogen (V) oxide
C. Dinitrogen oxide
D. Dinitrogen pentoxide
9. What is the formula of sulfur tricxide?
A SO;
B. SOs
C. S O /
D. S O /
10. What is the name of HBrO4 (aq)?
A. Bromic acid
B. Bromous acid
C. Hydrobroniic acid
D. Perbromic acid
11. What is the formula of hydroiodic acid?
A. HI (aq)
B. HIO (aq)
C. EHCh(aq)
D. HIOh(aq)
12. If a palladium nanoparticle has a density of 12.0 g cm-, tvhat is the mass of a nanoparticle with a
volume of l.S4xlO"*] cm3?
A. 2.21xl0":o g
B. 1.63xlO"2Cg
C. 6.52x10-21 g
D. 1.53x10"“ g
13. Which sample has the largest volume? The density' of aluminum is 2.7 g cnr and for copper is 9.0
gem*.
A. 1.0 g aluminum
B. 5.0 g aluminum
C. 1.0 g copper
D. 5.0 g copper
16. In all neutral atoms, there are equal numbers of
A. Protons and neutrons
B. Positrons and electrons
C. Neutrons and electrons
D. Electrons and protons
A. Protons and neutrons
B. Positrons and electrons
C. Neutrons and electrons
D. Electrons and protons
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