Combined Gas Law Problems
1) If I
initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a
temperature of 200 K, and then I raise the pressure to 14 atm and increase the
temperature to 300 K, what is the new volume of the gas?
29.57 L
2) A gas
takes up a volume of 17 liters, has a pressure of 2.3 atm, and a temperature of
299 K. If I raise the temperature to 350
K and lower the pressure to 1.5 atm, what is the new volume of the gas?
30.5 L
3) A gas
that has a volume of 28 liters, a temperature of 45 0C, and an
unknown pressure has its volume increased to 34 liters and its temperature
decreased to 35 0C. If I
measure the pressure after the change to be 2.0 atm, what was the original
pressure of the gas?
2.5 atm
4) A gas
has a temperature of 14 0C, and a volume of 4.5 liters. If the temperature is raised to 29 0C
and the pressure is not changed, what is the new volume of the gas?
4.7 L
5) If I
have 17 liters of gas at a temperature of 67 0C and a pressure of
88.89 atm, what will be the pressure of the gas if I raise the temperature to
94 0C and decrease the volume to 12 liters?
135.9 atm
6) I have
an unknown volume of gas at a pressure of 0.5 atm and a temperature of 325
K. If I raise the pressure to 1.2 atm,
decrease the temperature to 320 K, and measure the final volume to be 48
liters, what was the initial volume of the gas?
117 L
7) If I
have 21 liters of gas held at a pressure of 78 atm and a temperature of 900 K,
what will be the volume of the gas if I decrease the pressure to 45 atm and
decrease the temperature to 750 K?
30.33 L
8) If I
have 2.9 L of gas at a pressure of 5 atm and a temperature of 50 0C,
what will be the temperature of the gas if I decrease the volume of the gas to
2.4 L and decrease the pressure to 3 atm?
160 K
9) I have
an unknown volume of gas held at a temperature of 115 K in a container with a
pressure of 60 atm. If by increasing the
temperature to 225 K and decreasing the pressure to 30 atm causes the volume of
the gas to be 29 liters, how many liters of gas did I start with?
7.41 L
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