Homework Answers
The standard Free energy is calculated per mole of CaCO3 . When 2.34 moles of CaCO3 react, the free energy is given by: Free energy change = 2.34 * Standard Free Energy Change
= 2.34 * 130.4 = 305.1 KJ
The Free Energy change of a reaction is also the amount of useful work that can be done by the reaction. This is therefore equal to 305.1 KJ
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