Posted by **Wade** on Sunday, February 25, 2007 at 2:16pm.

For the following reaction, what is the approximate value of Delta H?

CH4(g) --> CH3(g) + H(g)

I figured it out..

C-H = 411

4 moles on one side

3 on the other

so [4*411]-[3*411] = 411

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