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Question 3

Solution

A 24 cm diameter vertical cylinder is sealed at the top by a frictionless

23 kg piston. The piston is 90 cm above the bottom when the gas temperature is 303 °C . The air above the piston is at 1.00 atm pressure.

 

Express your answer using four significant figures.

 

Part A: What is the gas pressure inside the cylinder?

Part B: What will the pressure be if the temperature is lowered to 18 °C?

Part C: What will the height of the piston be if the temperature is lowered   to 18 °C?

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