Consider the following reaction:
2 Mg(s)2 +O2(g)> 2 MgO(s), ∆H = -1204 kJ
(a) Is this rea...
Chemistry, 19.11.2021 01:00 rimidavisrimi795
Consider the following reaction:
2 Mg(s)2 +O2(g)> 2 MgO(s), ∆H = -1204 kJ
(a) Is this reaction exothermic or endothermic?
(b) Calculate the amount of heat transferred when 3.55 g of Mg(s) reacts at constant pressure.
(c) How many grams of MgO are produced during an enthalpy change of -234 kJ?
(d) How many kilojoules of heat are absorbed when 40.3 g of MgO(s) is decomposed into Mg(s) and O21g2 at
constant pressure?
Answers: 1
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