G10_SR 5.2

Choose the values that are equal to 1atm

• 720mmHg

• 760 mmHg

• 760 torr

• 720 torr

A ___________ is a common laboratory device used to measure gas pressure.

Choose which value is equal to 56mmHg

• 56 atm

• 56 torr

• 0.074 atm

• 0.074 torr

__________ (value and unit) is the standard pressure in torr.

Choose which one/ones have greater atmospheric pressure than gas sample.

• The Hg level is 12mm higher in the side open to the atmosphere.

• The Hg level is 37mm higher in the side open to the gas.

• The Hg level is 115mm lower in the arm open to the gas.

A gas sample is connected to a closed-end manometer. The difference in Hg levels in the two arms is 115mm. What is the gas pressure in torr if the atmospheric pressure is 750 torr?

• 115 mm

• 750 torr

• 760 torr

• 1 atm