Problem: A 100-W light bulb is placed in a cylinder equipped with a moveable piston. The lightbulb is turned on for 0.020 hour, and the assembly expands from an initial volume of 0.90 L to a final volume of 5.86 L against an external pressure of 1.0 atm. Calculate w

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w = -pV


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Problem Details

A 100-W light bulb is placed in a cylinder equipped with a moveable piston. The lightbulb is turned on for 0.020 hour, and the assembly expands from an initial volume of 0.90 L to a final volume of 5.86 L against an external pressure of 1.0 atm. 

Calculate w

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