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A solid sample consisting of 0.5 kg CaCO3 (s) was heated to 835 C (degrees) when...

A solid sample consisting of 0.5 kg CaCO3 (s) was heated to 835 C (degrees) when it decomposed into gas CO2 (g) and solid CaO (s). The heating carried out in a container fitted with a piston that was initially resting on the solid such that volume change is due to a formation of the gas.

Calculate the work done during the decomposition at 0.9 atm.

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