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Consider the following reaction: 2Al(s) + 3Cl2(g) ? 2AlCl3(s), ?H = -1390.81 kJ a) Is the reaction exothermic or endothermic? b) Calculate the heat produced when 10.0 g of AlCl3 forms. c) How many grams of Al are required to produce 1.00 kJ of energy?

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