My question is from Chapter 17, Problem 80CP fromPhysics for Scientists and Engi

Question

My question is from Chapter 17, Problem 80CP fromPhysics for Scientists and Engineers A Strategic Approach 2ndEd. A 6cm-diameter cylinder of nitrogen gas has a 4cm thickmovable copper piston. The cylinder is oriented vertically and theair above the piston is evacuated. When the gas temperature is200C, the piston floats 20cm above the bottom of thecylinder. a) Whats the gas pressure b) How many gas molecules are in the cylinder Then 2J of heat energy are transferred to the gas c) Whats the new equilibrium temperature of the gas d) What is the final height of the piston My question is from Chapter 17, Problem 80CP fromPhysics for Scientists and Engineers A Strategic Approach 2ndEd. A 6cm-diameter cylinder of nitrogen gas has a 4cm thickmovable copper piston. The cylinder is oriented vertically and theair above the piston is evacuated. When the gas temperature is200C, the piston floats 20cm above the bottom of thecylinder. a) Whats the gas pressure b) How many gas molecules are in the cylinder Then 2J of heat energy are transferred to the gas c) Whats the new equilibrium temperature of the gas d) What is the final height of the piston

Explanation / Answer

(a) p = 3500 Pa (b) N = 4.9*1020 (c) T2 = 105oC (d) L2 = 26 cm

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