Convert Gas Pressures

If we decrease the pressure on this gas, what will happen to the volume?

• The volume will decrease

• The volume will increase

• The volume will not be affected

You 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 L

• 20 L

• It would stay at 10L

• 1 L

What is the standard atmospheric pressure in pascals?

• 101325 Pa

• 100000 Pa

• 1013.25 Pa

• 1 Pa

Which of the following units is not used to measure gas pressure?

• Pascal

• Bar

• Joule

• Torr

If a gas has a pressure of 2 atm, what is its pressure in pascals?

• 202650 Pa

• 101325 Pa

• 50662.5 Pa

• 303975 Pa

A gas is at a pressure of 760 mmHg. What is this pressure in atmospheres?

• 1 atm

• 0.5 atm

• 2 atm

• 0.75 atm

Convert a pressure of 500 kPa to atmospheres.

• 4.94 atm

• 5 atm

• 0.5 atm

• 0.49 atm

Which instrument is used to measure atmospheric pressure?

• Thermometer

• Barometer

• Hygrometer

• Anemometer

What is the pressure exerted by a column of mercury 76 cm high at 0°C?

• 1 atm

• 0.5 atm

• 2 atm

• 0.75 atm

If a gas cylinder reads 150 psi, what is the pressure in pascals?

• 1034210 Pa

• 101325 Pa

• 150000 Pa

• 2068420 Pa