JA H;º of H2O(1) is -285.8 kJ/mol. calculate A H° of MgO. The relevant reactions for these two heats of formation are: H2(g) + ½ O2(g) → H20(1) and Mg(s) + ½ O2(g) – MgO(s) -141.3 kj/mol a) b) -306.6 kj/mol c) -447.9 kj/mol d) -592.4 kj/mol e) 141.3 kj/mol f) Not even information given

JA H;º of H2O(1) is -285.8 kJ/mol. calculate A H° of MgO. The relevant reactions for these two heats of formation are: H2(g) + ½ O2(g) → H20(1) and Mg(s) + ½ O2(g) – MgO(s) -141.3 kj/mol a) b) -306.6 kj/mol c) -447.9 kj/mol d) -592.4 kj/mol e) 141.3 kj/mol f) Not even information given

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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JA H;° of H2O(1) is -285.8 kJ/mol.
calculate A H;° of MgO. The relevant reactions for these two heats of formation are:
H2(g) + ½ O2(g)
H20(1) and Mg(s) + ½ O2(g) -
MgO(s)
>
-141.3 kj/mol
a)
-306.6 kj/mol
b)
-447.9 kj/mol
c)
d)
-592.4 kj/mol
141.3 kj/mol
f)
Not even information given

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