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1. Air in a cylinder with a volume of 500 cm3 is compressed by a piston...

1. Air in a cylinder with a volume of 500 cm3 is compressed by a piston to a volume of 150 cm3. If the initial air pressure is 5 x 104 Pa (N/m2), what is the pressure in the cylinder after compression? (Assume that this is a slow process, and that T remains constant.)

8.  The sample of gas in Question 2 is contained in a rigid closed container. If the pressure of the gas is 1013 mb at 20°C, what is the pressure of the gas after T was doubled from 0°C?

( Question 2: A temperature of a sample of gas at 0°C is doubled. What is the final temperature of the gas in °C? )

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