Gas laws and things

In order to convert to Kelvin, you add ______ to the Celsius measurement.

• 372
• 273
• 237
• 732

What is 50 C in Kelvin?

• 223
• 323
• 100
• 50

If a balloon is cooled what will happen to the volume?

• Volume will increase
• Volume will decrease
• Volume will not change

Tags

NGSS.HS-PS1-5

The following graph shows ____ relationship. 

• Direct
• Inverse

Boyle's law :  The pressure and volume of a gas show a _____ relationship. 

• Inverse 
• Direct 

As you climb up a mountain what happens to the air pressure?

• decreases
• increases
• stays the same

A mixture of hydrogen, nitrogen, and water vapor has a total pressure of 864 mmHg. The partial pressure of hydrogen is 220 mmHg and that of nitrogen is 410 mmHg. What is the partial pressure of water vapor?

• 234 mmHg
• 1.37 mmHg
• 2.64 mmHg
• 1, 494 mmHg

A container holds three gases: oxygen, carbon dioxide, and helium. The partial pressures of the three gases are 2.00 atm, 3.00 atm, and 4.00 atm, respectively. What is the total pressure inside the container?

• 2 atm
• 4 atm
• 3 atm
• 9 atm

Real gases deviate from ideal gas behavior because real gas particles have

• volume and some attraction for each other
• no volume and no attraction for each other
• no volume but some attraction for each other
• volume but no attraction for each other

Under what conditions does a real gas behave most like an ideal gas?

• at high temperatures and low pressure
• at high temperatures and high pressures
• at low temperatures and low pressure
• at low temperatures and high pressure