Consider the following thermochemical equation: S8 + 8 H2 → 8 H2S ArH = -161.6 kJ/mol-rxn a. Determine qrxn if 0.250 mol H2S is produced. b. Determine grxn when 10.0 g of S8 reacts with excess H2. c. Determine qrxn when 10.0 g of H2 reacts with excess S8.

Consider the following thermochemical equation: S8 + 8 H2 → 8 H2S ArH = -161.6 kJ/mol-rxn a. Determine qrxn if 0.250 mol H2S is produced. b. Determine grxn when 10.0 g of S8 reacts with excess H2. c. Determine qrxn when 10.0 g of H2 reacts with excess S8.

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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Consider the following thermochemical equation:
S8 + 8 H2 → 8 H2S ArH = -161.6 kJ/mol-rxn
a. Determine grxn if 0.250 mol H2S is produced.
b. Determine grxn when 10.0 g of S8 reacts with
excess H2.
c. Determine grxn when 10.0 g of H2 reacts with
excess S8.
d. Determine the mass of H2S produced if qrxn =
-15.0 kJ.

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