Determine the standard enthalpy of reaction, AH°n, of the reaction below, given the following information. Mg(s) + 2 H,0() Mg(OH),() + H,() Substance AH° (kJ/mol) H2O () -285.8 Mg(OH)2 (s) -924.7

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Determine the standard enthalpy of reaction, AH°rxn, of the reaction below, given the
following information.
Mg(s) + 2 H,O(1) Mg(OH),(s) + H,(s)
Substance
AH°I (kJ/mol)
H20()
-285.8
Mg(OH)2 (s)
-924.7
638.9 k
You Answered
+638.9 kJ
4953 1J
Correct Answer
-353.1 kJ
Transcribed Image Text:Determine the standard enthalpy of reaction, AH°rxn, of the reaction below, given the following information. Mg(s) + 2 H,O(1) Mg(OH),(s) + H,(s) Substance AH°I (kJ/mol) H20() -285.8 Mg(OH)2 (s) -924.7 638.9 k You Answered +638.9 kJ 4953 1J Correct Answer -353.1 kJ
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