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Gas in a container is at a pressure of 1.6atm and a volume of 6m^3. What...

Gas in a container is at a pressure of 1.6atm and a volume of 6m^3. What is the work done by the gas if it expands at constant pressure to twice its initial volume?

What is the final temperature if 300g of water at 15C is poured into a hot 580g nickel vessel at 145C? The specific heat of nickel is 445J/kgK.

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