Friday
November 21, 2014

Homework Help: chemistry

Posted by julie on Saturday, May 30, 2009 at 7:58pm.

Why is there a difference in the heats of formation of CF4 and CCl4? I know that the bond length of CCl4(C--Cl) is longer than that of CF4(C--F), does this affect the heat of formation. Heat of formation are -225.709kcal/mol(CF4) and -28.120kcal/mol(CCl4).

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