Problem: Using the standard enthalpy of formation data in Appendix G, calculate the bond energy of the carbon-sulfur double bond in CS2.

FREE Expert Solution

From the data in Appendix G, we have:

S(s) → S(g)             ΔH°f =  223 kJ/mol

C(s) → C(g)             ΔH°f =  715 kJ/mol

CS2(l) → CS2(g)     ΔH°f =  88  kJ/mol

To calculate the ΔH°rxn using bond energies, we’re going to use the following equation:

H°rxn=Hbond reactants-Hbond products

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Problem Details

Using the standard enthalpy of formation data in Appendix G, calculate the bond energy of the carbon-sulfur double bond in CS2.

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