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Calculate the bond energy of C-H bond from the following data : (a) C (s) + 2 H_(2) (g) to CH_(4) (g) , Delta H = -74.8 KJ (b) H_(2) (g) to 2 H (g) , Delta H = 435.4 KJ (c) C(s) to C(g) , Delta H = 718.4 KJ |
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Answer» 316.0 KJ/mol |
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