Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question

In a reaction, 1.00 mole of H2 is produced at a constant pressure of 1.00 atm and at 298 K (1 L atm = 101.3 J):

2 H2O(g) → 2 H2(g) + O2(g)     ΔH° = +483.6 kJ mol–1

What is ΔE in this reaction?

 

+243.0 kJ
 

+240.6 kJ
 

+239.3 kJ
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