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March 26, 2015

Homework Help: HELP-CHEMISTRY!

Posted by Bran on Saturday, May 12, 2012 at 6:08pm.

Na (s) + 1/2F2 (g) = 2NaF (s)
Are the reactants at higher or lower energy than the products and is the reaction endothermic or exothermic?
I feel that the reaction is exothermic, but can't determine higher or lower enery?

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