8.7 Chemical Reaction. A mole of the solid-phase chemical MgCO, decomposes into a mole of gas CO, and a mole of solid MgO at a constant temperature of 900 K and atmospheric pressure by absorbing 26,000 cal of heat. Both initial and final states may be described with fluid variables. The molar volumes of MgCO,, MgO, and CO, are, respectively, 0.028 L, 0.011 L, and 740 L. Find ( a) ΔΗ-Η, -Η, ( b) ΔΕ Ε, - . and

8.7 Chemical Reaction. A mole of the solid-phase chemical MgCO, decomposes into a mole of gas CO, and a mole of solid MgO at a constant temperature of 900 K and atmospheric pressure by absorbing 26,000 cal of heat. Both initial and final states may be described with fluid variables. The molar volumes of MgCO,, MgO, and CO, are, respectively, 0.028 L, 0.011 L, and 740 L. Find ( a) ΔΗ-Η, -Η, ( b) ΔΕ Ε, - . and

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter12: Thermodynamic Processes And Thermochemistry

Section: Chapter Questions

Problem 18P

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