Directions: Answer each question below. Then write the name of the gas law used to solve each question
MIXED GAS LAWS WORKSHEET
in the left margin
next to each question.
1. A gas occupies 3,51. at 2.5 mm Hg pressure. What is the volume at 10 mm Hg at the same temperature?
2.
3.
A constant volume of oxygen is heated from 100°C to 185°C. The initial pressure is 4,1 atm. What is the final
pressure?
A sample of 25L of NH, gas at 10°C is heated at constant pressure until it fills a volume of 50L. What is the
new temperature in °C?
4. A certain quantity of argon gas is under 16 torr pressure at 253K in a 12L vessel. How many moles of argon
are present?
5.
An ideal gas occupies 400ml at 270 mm Hg and 65°C. If the pressure is changed to 1.4 atm and the
temperature is increased to 100°C, what is the new volume?
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10 g
6. What is the volume of 23g of neon gas at 1°C and a pressure of 2 atm?
7. If 11 moles of HCl gas occupies 15L at 300°C, what is the pressure in torr?
8. The pressure is 6.5 atm, 2.3 mole of Br2 gas occupies 9.3 L. What is the temperature in °C?
9. A 600mL balloon is filled with helium at 700mm Hg barometric pressure. The balloon is released and climbs
to an altitude where the barometric pressure
is 400mm Hg. What will the volume of the balloon be if, during
the ascent, the temperature drops from 24 to
5°C?
10. An unknown gas has a volume of 200L at 5 atm and -140°C. What is its volume at STP?
11. In an autoclave, a constant amount of steam is generated at a constant volume. Under 1.00 atm pressure the
steam temperature is 100°C. What
pressure setting should be used to obtain a 165°C steam temperature for
the sterilization of surgical instruments
?