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Reintroducing Gas Laws to AP chemistry Flashcards | StudBud
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Reintroducing Gas Laws to AP chemistry
Reintroducing Gas Laws to AP chemistry
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#chemistry #chem #review #gaslaws
Flashcards
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Questions
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Answers
1
Which equation is correct?
V/T = k
VT = k
2
When the number of moles increases, what happens to the volume of a gas?
it increases
it decreases
3
Answer the question below
not enough information
The Kelvin temperature decreased by one-half.
The Kelvin temperature increased four times.
The Kelvin temperature doubled.
4
Which equation is correct?
P/T = k
PT = k
5
V and T are
inversely related
directly related
6
Which below would have a mass of 19.08g stored in a 3.82L @ 3632 mmHg container at and 100°C?
F2
O2
Br2
H2
7
What is the pressure of a 3.00 L gas vessel that has 18.0 grams of helium at 25
0
C?
36.7 atm
32.6 atm
1.81 atm
147 atm
8
What is the relationship between P, V, n, and T?
P=VnRT
PVnR=T
PV=nRT
PVn=RT
9
What unit for temperature must be used?
K
oF
oC
10
Did this help you review some basic gas law information?
eh....
yes!
what are gas laws?
11
See the question below
1.79
3.21
517
0.681
12
The formula for converting Fahrenheit to Celsius is
F = (5/9)(C + 32)
C = (5/9)(F + 32)
C = (5/9)(F - 32)
C = (9/5)F + 32
13
See the question below
771 torr
549 torr
668 torr
103 torr
14
What is the final V of a balloon that was initially 500.0mL @ 25°C and was then heated to 50°C?
1.00 L
461 mL
543 mL
193 mL
15
What is the equation PV=nRT called?
pivnert
gas equation
ideal gas law equation
the one with the annoying constant
16
If 3 L gas at 2atm are compressed to 1 L of space, what is the pressure in the container?
3 atm
0.16 atm
6 atm
2 atm
17
How many torr are in 1 atm?
740
700
760
720
18
What is the relationship between P, V, and T?
PVT = k
PV/T
PT/V = k
PT/V
19
What does STP stand for?
standard temperature and presure
standard temperature and pressure
standard temparature and pressure
standard tempereture and pressure
20
If the V of a gas at 32.0°C changes from 1.55 L to 755 mL, what will the final temperature be?
-124 oC
353 oC
16 oC
273 oC
21
Which is a unit of pressure?
L
torr
atm
mol
22
What is the volume of 1.00 mol of gas at STP?
0.0821 L
273 L
12.1 L
22.4 L
23
See the question below
3.6 atm
0.4 atm
4.0 atm
0.1 atm
24
how many mmHg are in 1 torr?
1/760
1
101.325
101325
25
59
o
F = ___
o
C
59
15
332
138
26
Which equation is correct?
PV = k
P/V = k
27
In gas laws, P stands for
point
pressure
physics
phase
28
A sample of 0.255mole of gas has a volume of 748mL at 28°C. Calculate the pressure of this gas.
7.84*10-4 atm
0.784 atm
0.00842 atm
8.42 atm
29
In gas laws, T stands for
theory
thermometer
test tube
temperature
30
What was the name of the law shown below and used in the last 2 problems?
Charles' law of partial pressures
Boyle's law of partial pressures
Dalton's law of partial pressures
Gay-Lussac's law of partial pressures
31
35
o
C = ___ K
-238
135
-65
308
32
P and T are
inversely related
directly related
33
In gas laws, V stands for
volcanology
volume
variable
volumetric
34
____ kPa= ___ mmHg
1, 760
101.325, 1
101325, 760
101.325, 760
35
In gas laws, n stands for
nitrogen
neon
moles
number
36
Which set of conditions reflect STP?
273 K, 1 Pa
373 K, 760 torr
273 K, 760 mm Hg
298 K, 1 atm
37
P and V are
inversely related
directly related
38
What is the value of the constant, R?
62.4 atm*mol*L*K
62.4 atm*mol*L-1*K-1
0.0821 atm*mol*L*K
0.0821 atm*mol*L-1*K-1
