The value of AH° for the reaction below is -126 kJ. The enthalpy change accompanying the reaction of 31 g of Na202 with water is kJ. 2N2202 (s) + 2H20 (1) – 4NAOH (s) + O2 (g) The molar mass of Na202 is 77.98 g/mol. Include sign if answer is negative.

The value of AH° for the reaction below is -126 kJ. The enthalpy change accompanying the reaction of 31 g of Na202 with water is kJ. 2N2202 (s) + 2H20 (1) – 4NAOH (s) + O2 (g) The molar mass of Na202 is 77.98 g/mol. Include sign if answer is negative.

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter7: Chemical Energy

Section: Chapter Questions

Problem 93AE: Three gas-phase reactions were run in a constant-pressure piston apparatus as shown in the following...

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Question

The value of AH° for the reaction below is -126 kJ. The enthalpy change accompanying the reaction of 31 g of Na202 with water is
kJ.
2N2202 (s) + 2H20 (1) – 4NAOH (s) + O2 (g)
The molar mass of Na202 is 77.98 g/mol. Include sign if answer is negative.

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