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April 1, 2015

Homework Help: chemistry

Posted by Bliss on Friday, February 22, 2013 at 8:04am.

use the following data to calculate the mean bond enthalpy values for the C-H and C-C bonds.
CH4(g)-C(g) + 4H(g) standard enthalpy change is +1648 kj/mol
C2H6(g)-2C(g) + 6H(g) standard enthalpy change is +2820 kj/mol

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