We are asked to calculate the amount of heat transferred when 3.55 g of Mg(s) reacts at constant pressure and to determine if the reaction is exothermic or endothermic.
The given thermochemical equation is:
2 Mg(s) + O2(g) → 2MgO(s) ΔH = –1204 kJ
Consider the following reaction: 2 Mg(s) + O2(g) → 2MgO(s) ΔH = -1204 kJ
Is this reaction exothermic or endothermic?
Calculate the amount of heat transferred when 3.55 g of Mg(s) reacts at constant pressure.
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