How much heat (in kilojoules) is released on reaction of 4.40 g of Al?

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How much heat (in kilojoules) is released on reaction of 4.40 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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