The enthalpy change (A,H) of the following reaction, generating 1 mol O₂(g), at 25°C and 1.00 atm is +290.8 kJ. 2ZnO(s) + 25(s)-> 2ZnS(s)+O₂(g) What is the energy change (A,U) of this reaction? 293.3 kJ 288.3 kJ 248 KJ -2.48 kl

The enthalpy change (A,H) of the following reaction, generating 1 mol O₂(g), at 25°C and 1.00 atm is +290.8 kJ. 2ZnO(s) + 25(s)-> 2ZnS(s)+O₂(g) What is the energy change (A,U) of this reaction? 293.3 kJ 288.3 kJ 248 KJ -2.48 kl

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter5: Thermochemistry

Section: Chapter Questions

Problem 5.34QE

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Question

The enthalpy change (A,H) of the following reaction, generating 1 mol O₂(g), at 25°C and 1.00 atm is +290.8 kJ.
2ZnO(s) + 25(s)--> 2ZnS(s)+O₂(g)
What is the energy change (A,U) of this reaction?
293.3 kJ
288.3 kJ
2.48 KJ
-2.48 kJ
McQuarrie and Simon Example 5-7 and Eq. 5.38

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