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April 18, 2014

Homework Help: Chemistry

Posted by Julie on Wednesday, February 17, 2010 at 3:25pm.

How much heat (in kilojoules) is released on reaction of 4.10 g of Al?

Reaction: 2Al(s) + 3Cl2(g)--->2AlCl3(s)
Delta H= -1408.4 KJ

-I converted grams to Al to moles
-and since there are 2 moles of Al, what do i do with the -1408.4 KJ?

please provide steps. thank you.

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