Unit 9 Exam
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A gas that exerts a pressure of 215 torr in a container with a volume of 51.0 mL will exert a pressure of ___ torr when transferred to a container with a volume of 18.5 mL.
.593
A gas that exerts a pressure of 14 bar in a container with a volume of 312 mL will exert a pressure of ____ bar when transferred to a container with a volume of 652 mL.
6.7
When the volume of a gas is changed from 986 mL to ____ mL, the temperature will change from 765 K to 315 K.
406
When the volume of a gas is changed from 3.6 L to 15.5 L, the temperature will change from ___ degrees Celsius to 87°C.
-190.15
When the pressure that a gas exerts on a sealed container changes from ___ atm to 2.64 atm, the temperature changes from 315 K to 475 K.
1.75
When the pressure that a gas exerts on a sealed container changes from 32.6 psi to ___ psi, the temperature changes from 735 K to 1035 K.
45.91
A gas is contained in a thick-walled ballon. When the pressure changes from 2.95 atm to ___ atm, the volume changes from 7.456 L to 4.782 L and the temperature changes from 379 K to 212 K.
2.57
A gas is contained in a thick-walled ballon. When the pressure changes from 319 mm Hg to 215 mm Hg, the volume changes from 0.558 L to ___ L and the temperature changes from 115 K to 387 K.
2.79
How many moles of nitrogen are contained in 18.65 L at STP?
.8321
How many moles of fluorine are contained in 115.6 L at STP?
5.16
What is the density (in g/L) of a gas with a molar mass of 32.49 g/mol at 2.569 atm and 458 K?
2.22
What is the molar mass of 37.96 g of gas exerting a pressure of 3.29 atm on the walls of a 4.6” L container at 3.75 K?
77.2