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CHE 420-Calculate the internal energy — 100.0 Joules of work are required to compress a gas

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January 14th, 2018

1.) Calculate the internal energy — 100.0 Joules of work are required to compress a gas. At the same time, the gas releases 23.0 J of heat2.) For this reaction 4 Fe(s) + 3O2 (g) –>2 Fe2O3(s) delta H = -1652 kJ a.) How much heat is released when 4.0 mol iron is reacted with excess O2 b.) How much heat is released when 1.0 mol Fe2O3is produced? c.) How much heat is released when 1.0 g iron is reacted with excess O2?

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