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- 1. Multiple ChoiceWhat is 50 C in Kelvin?22332310050
- 2. Multiple Choice
If a balloon is cooled what will happen to the volume?Volume will increaseVolume will decreaseVolume will not change - 3. Multiple ChoiceWhat is the instrument that measures air pressure called?Graduated cylinderBarometerForce scaleAnemometer
- 4. Multiple ChoiceYou have a gas that has a pressure of 2 ATM and a volume of 10L. What would be the new volume if the pressure was changed to 1 ATM?5 L20 LIt would stay at 10L1 L
- 5. Multiple ChoiceWhat is 0 Kelvin known asNo such thingVery coldFreezing point of WaterAbsolute Zero
- 6. Multiple ChoiceWhich container will have lower pressure?leftrightthey both have the same pressure
- 7. Multiple ChoiceWhat is standard temperature?0K0oC173 K173.15 K
- 8. Multiple Choice
Which is a correct unit for R?
L.atm/mol.k
L.atm
mmHg/mol.K
L.atom/mol
- 9. Multiple Choice
A sample of H2(g) and a sample of N2(g) at the same temperature and pressure contain the same number of molecules. Each sample must have
the same volume, but a different mass
the same mass, but a different volume
both the same volume and the same mass
neither the same volume nor the same mass
- 10. Multiple ChoiceDetermine the Kelvin temperature required for 0.0470 mol of gas to fill a balloon to 1.20 L under .998 atm pressure.0 K107 K207 K307 K
- 11. Multiple Choice
Which of the following gases is expected to behave most ideally at a given temperature and pressure?
H2O
NH3
Xe
He
- 12. Multiple Choice
A sample of neon gas is contained in the left bulb and helium in the right bulb, connected by a valve. Initially the valve is closed. The left bulb has a volume of 9.00L, and the Ne gas is at a pressure of 2.00atm. The right bulb has a volume of 3.00L, and the He gas is at a pressure of 4.00atm. After the valve is opened, what is true about the relative partial pressures of helium and neon?
The partial pressure of helium is 1.50 times as great as the partial pressure of neon.
The partial pressure of neon is 2.00 times as great as the partial pressure of helium.
The partial pressure of neon is 1.50 times as great as the partial pressure of helium.
The partial pressure of helium is 2.00 times as great as the partial pressure of neon.
- 13. Multiple Choice
Indicate which of the following graphs represents PV (y) vs. V (x) for 1.0 mole of an ideal gas at constant T.
A
B
C
D
- 14. Multiple Choice
Which gases will diffuse faster?
heavier gases
lighter gases
- 15. Multiple Choice
How does a real gas deviate from ideal behavior?
Real gas particles have volume and travel in a circular path
Real gas particles attract each other and travel in a circular path
Real gas particles have volume and attract each other
Real gas particles collide with each other and all have the same kinetic energy
- Answer choicesTagsAnswer choicesTags