Using the equations 2 H2 (g) + O2 (g) → 2 H¿0 (I) AH° = -572 kJ/mol Ca (s) + ½ O2 (g) → CaO (s) AH° = -635 kJ/mol CaO (s) + H2O (1) → Ca(OH)2 (s) AH° = -64 kJ/mol %3D Determine the enthalpy (in kJ/mol) for the reaction Ca (s) + 2 H20 (1) → Ca(OH)2 (s) + H2 (g).
Using the equations 2 H2 (g) + O2 (g) → 2 H¿0 (I) AH° = -572 kJ/mol Ca (s) + ½ O2 (g) → CaO (s) AH° = -635 kJ/mol CaO (s) + H2O (1) → Ca(OH)2 (s) AH° = -64 kJ/mol %3D Determine the enthalpy (in kJ/mol) for the reaction Ca (s) + 2 H20 (1) → Ca(OH)2 (s) + H2 (g).
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section5.5: Enthalpy Changes For Chemical Reactions
Problem 1RC: 1. For the reaction 2 Hg(l) + O2(g) → 2 HgO(s), ∆rH° = 181.6 kJ/mol-rxn. What is the enthalpy change...
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Using the equations
2 H2 (g) + O2 (g) → 2 H,0 (I) AH° =
-572 kJ/mol
Ca (s) + ½ O2 (g) → CaO (s) AH° =
-635 kJ/mol
Са (s) + H,О () -> Са(ОН)2 (s)
AH° = -64 kJ/mol
Determine the enthalpy (in kJ/mol)
for the reaction
Ca (s) + 2 H20 (1) → Ca(OH)2 (s) +
H2 (g).
kJ/mol
1
2
3
4
6.
C
7
8
+/-
x 10 0
LO
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