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Calculating Delta H, S, and G

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Use the data sheet to calculate Delta H, Delta S and Delta G at 25 degrees Celsius for each of the following reactions. In each case show that Delta G- Delta H-T Delta S.

1. Ni(s) + Cl2(g) --> NiCl2(s)
2. CaCO3(s, calcite) --> CaO(s) + CO2(g)
3. 2CH2OH(l) + 3O2(g) --> 2CO2(g) + 4H2O(l)

Please see the attached document for the data sheet.

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Solution Summary

Entropy change, enthalpy change and free energy change is calculated for some reactions.

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1. Ni(s) + Cl2 (g) ---> NiCl2 (s)

dH = heat of formation of products - heat of formation of reactants
dH = -305.3 - [ 0 + 0] = -305.3 kJ/mol
dS = 97.65 - [29.9 + 222.96] = -155.21 J/mol = -0.1552 kJ/mol
dG = -259.0 -[0 ...

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