February 22, 2017

Homework Help: chemistry

Posted by hannah on Monday, October 27, 2008 at 11:24pm.

For the reaction shown below complete the following calculations.

H2(g) + C2H4(g) --> C2H6(g)

(a) Estimate the enthalpy of reaction using the bond energy values in Table 9.4.

(b) Calculate the enthalpy of reaction, using standard enthalpies of formation. (ΔH°f for H2, C2H4, and C2H6 are 0, 52.3 kJ/mol, and -84.7 kJ/mol, respectively.)

I'm not sure how to calculate this. I added the bond energies together from the left side, but wasn't sure if I even did that right

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