Chemistry Gases

In which flask is the gas moving the slowest, having the highest kinetic energy?

• Flask 1

• Flask 2

• Flask 3

• Flask 4

Tags

NGSS.HS-PS3-4

A container holds three gases: oxygen, nitrogen, and hydrogen. 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?

• 900 atm

• 0.90 atm

• 9.00 atm

• 920 atm

Which of these is NOT a unit of pressure?

• atm

• torr

• mmHg

• mL

When we use the gas equations, our temperature values must be in

• Celsius

• Kelvin

• Fahrenheit

• Any temperature unit

A gas has a pressure of 8 atm when the temperature is 400 K. The temperature drops to 200 K. Calculate the new pressure.

• 1 atm

• 2 atm

• 3 atm

• 4 atm

A mixture of H, Ne, & O has a pressure of 12.4 atm. If Hydrogen measures 5.6 atm and Oxygen measures 2.0 atm, what is the pressure of Neon?

• 7.6 L

• 4.8 L

• 5.4 L

• 12.0 L

If you increase the pressure of a constant volume of gas, what will happen to the temperature?

• Increase

• Decrease

• Stay the same

• It will Blow Up

What will happen to the volume of a gas under constant temperature if the pressure increases?

• Increase

• Decrease

• Nothing

• Explosion!

Which of the following would increase the (gas) pressure of a system? 

• Increase the Temperature 

• Decrease the volume 

• Pump in more gas 

• All of these

What variable is held constant in the diagram?

• Volume

• Moles

• Pressure

• No constant