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WorksheetsChemistry Sem Rev Practice Sp 1516 Gases
Total questions: 21
Worksheet time: 19mins
Name
Class
Date
1.
In this diagram, which section of the line represents boiling?
a)
ADC
b)
DCB
c)
CDE
d)
ADE
2.
At a constant volume, the pressure increases. What happens to the temperature?
a)
increases
b)
decreases
c)
stays the same
3.
At a constant pressure, the volume decreases. What happens to the temperature?
a)
increases
b)
decreases
c)
stays the same
4.
At a constant temperature, pressure increases. What happens to the volume?
a)
increases
b)
decreases
c)
stays the same
5.
How many kPa is in one atmosphere?
a)
101.325
b)
10.1325
c)
760
d)
273
6.
How do you convert Celsius to Kelvin?
a)
Add 273
b)
Subtract 273
c)
You can't convert those
d)
They are the same thing
7.
How are pressure and volume related?
a)
Directly
b)
Indirectly
c)
They aren't related
8.
568 mL of chlorine at 25° C will occupy what volume at -25° C while the pressure remains constant?
a)
473 mL
b)
682 mL
c)
130 mL
d)
568 mL
9.
In Charles law, the temperature of a gas increases, the volume of the gas will ____if the pressure remains the same.
a)
decrease
b)
remain the same
c)
increase
d)
contract
10.
In Boyle's law, as pressure decreases, volume ______?
a)
increases
b)
decreases
c)
remains constant
d)
none of the above
11.
Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm.
a)
7.18 L
b)
7.81 L
c)
4.63 L
d)
4.36 L
12.
In order to solve gas law calculations, temperature must be measured in:
a)
Fahrenheit
b)
Celsius
c)
Kelvin
d)
It doesn't matter
13.
What law combines all 3 factors (pressure, temperature, and volume)
a)
Combined Gas Law
b)
Charle's Law
c)
Boyle's Law
d)
Avagadros Ideal Gas Law
14.
In the ideal gas law, what is the variable n measured in?
a)
atm
b)
torr
c)
moles
d)
L
15.
All matter consists of tiny particles that are in constant motion is referred to as __________
a)
Kinetic Energy
b)
Kinetic molecular theory
c)
absolute zero
d)
Pressure
16.
A gas at STP has a temperature of __ and a pressure __.
a)
20 C and 1 atm
b)
0
0 C and 1 atm
0 C and 1 atm
c)
0 K and 1 atm
d)
absolute zero and 1 atm
17.
Pressure is a direct result of collisions between gas particles and the walls of their container.
a)
true
b)
false
18.
What is the phase of this substance at 50 oC and 1 atm?
a)
solid
b)
liquid
c)
gas
19.
Which equation represents Dalton's Law?
a)
e=mc2
b)
PV=nRT
c)
P1/T1=P2/T2
d)
Ptotal=P1 + P2 + P3...
20.
A mixture of H2, N2 and O2 has a total pressure of 5.0 atm. What is the pressure of N2 if the O2 has a pressure of 3.2 atm and the H2 has a pressure of 0.9 atm?
a)
0.9 atm
b)
4.5 atm
c)
8.2 atm
d)
9.1 atm
21.
Convert 745.0 mmHg to atm.
a)
0.9803 atm
b)
1.020 atm
c)
15.00 atm
d)
5.662 x 105 atm
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