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WorksheetsStates of Matter/Gases Review
Total questions: 20
Worksheet time: 1hrs 8mins
Temperature is a measurement of which of the following options?
Partial Pressures
Average Kinetic Energy
Average Volume
Average Heat
If the temperature of a gas sample decreases, the average kinetic energy of the sample ____________.
increases
stays the same
not enough information
decreases
Which measurement expresses Absolute Zero
0 K
0°F
0°C
-273°C
Which answer choice best describes the behavior of a gas, at absolute zero?
The particles are moving very fast
The particles are sliding with an average kinetic energy
The particles are vibrating in place with high kinetic energy
The particles are not moving and have no kinetic energy
Select all of the following that DO apply to a gas.
Indefinite volume
Definite shape
Compressible
Vibrating in place
Which of the following answer choices DO NOT apply to a solid.
Fixed volume
Fixed shape
Not compressible
Particles are fluid
Molecules vibrate in place
When the number of collisions increases between gas molecules, which of the following characteristics also increases?
Volume of a gas
Vibration of a gas
Pressure of a gas
None of the above
What line segment represents the melting point temperature?
A-B
B-C
C-D
D-E
What line segment represents the freezing point temperature?
A-B
B-C
C-D
D-E
A gas occupies 4980 mL at 2.6 atm of pressure. What will the new volume of the gas be at 1.8 atm of pressure?
12,900 mL
720 mL
7,200 mL
3,440 mL
What pressure is exerted by 2.50 L of gas containing 1.35 mol at 47 oC? Which equation is best to use to solve the problem?
PV=nRT
Stoichiometry Gas Conversion
PT = P1 + P2 + P3 + ....
P1V1 = P2V2
n1T1 = n2T2
What pressure is exerted by 2.50 L of gas containing 1.35 mol at 47 oC?
PV=nRT
14.19 atm
16.53 atm
18.42 atm
22.54 atm
What are the values of STP (Standard Temperature and Pressure) ?
0 K and 1 atm
0 K and 760 kPa
0°C and 1 atm
0°C and 760 atm
Three gases, Ar, N2 and H2 are mixed in a container. Ar has a pressure of 255torr, N2 has a pressure of 228torr and H2 has pressure of 752torr. What is the total pressure in the container?
483torr
270torr
1235torr
Select all that are true.
Pressure and Volume have an inverse relationship
Temperature and Volume have a direct relationship
Pressure and Temperature have a direct relationship
Number of moles (n) and Volume (v) have a direct relationship
A weather balloon has a volume of 105 L at 0.97 atm when the temperature is 45°C. What is the volume at standard temperature and pressure? Which equation is best to use to solve the problem?
P1V1 = P2V2
n1T1 = n2T2
PV = nRT
Stoichiometry Gas Conversion
PT = P1 + P2 + P3 + ....
A weather balloon has a volume of 105 L at 0.97 atm when the temperature is 45°C. What is the volume at standard temperature and pressure?
87.4 L
0.32 L
93.8 L
3.13 L
2CO + O2 −-> 2CO2
How many liters of carbon dioxide at STP are produced from 10.0 L of carbon monoxide at STP?
10.0 L
20.0 L
5010 L
0.0199
At STP, how many liters will one mole of N2 gas occupy?
0 L
22.4 L
4.18 L
6.02 L
