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2 cards from this section. Quick, good the night before a test.
What happens to the pressure of a gas when its volume is halved at constant temperature?
Think about how pressure relates to volume.
If a balloon's volume decreases, what happens to the pressure inside?
Remember the relationship of volume and pressure in Boyle's Law.
Boyle's Law states that pressure and volume are directly proportional.
Recall the basic statement of Boyle’s Law.
When the volume of a gas decreases, its pressure must increase at constant temperature.
Think about how you would feel if you squeezed a balloon.
A gas originally occupies a volume of 20 L at a pressure of 1 atm. If the gas is compressed to a volume of 5 L, what is the new pressure?
Apply the formula and solve for P2, remember that pressure will increase.
In a laboratory, a gas is contained in a 15 L tank at a pressure of 2.5 atm. If the gas is allowed to expand to 30 L, what will the new pressure be?
Focus on rearranging Boyle's law and substituting the values carefully.
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