Problem

Consider the following reaction: (a) Is this reaction exothermic or endothermic...

Consider the following reaction:

(a) Is this reaction exothermic or endothermic? (b) Calculate the amount of heat transferred when 2.4 g of Mg(s) reacts at constant pressure. (c) How many grams of MgO are produced during an enthalpy change of —96.0 kJ? (d) How many kilojoules of heat are absorbed when 7.50 g of MgO(s) is decomposed into Mg(s) and O2(g) at constant pressure?

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