For which of the following reactions will the entropy of the system decrease? CaCO3(s) → CaO(s) + CO2(g) 2 NO2(g) → N204(g) NaOH(s) → Na*(aq) + OH¯(aq) O 2 C(s) + O2(g) → 2 CO(g) O 2 NH3(g) → N2(g) + 3 H2(g)

For which of the following reactions will the entropy of the system decrease? CaCO3(s) → CaO(s) + CO2(g) 2 NO2(g) → N204(g) NaOH(s) → Na*(aq) + OH¯(aq) O 2 C(s) + O2(g) → 2 CO(g) O 2 NH3(g) → N2(g) + 3 H2(g)

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions

Section5.4: The First Law Of Thermodynamics

Problem 2RC: 2. In which of the following reactions is there a significant transfer of energy as work from the...

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Question

For which of the following reactions will the
entropy of the system decrease?
CaCO3(s) → CaO(s) + CO2(g)
2 NO2(g) → N204(g)
NaOH(s) → Na*(aq) + OH¯(aq)
O 2 C(s) + O2(g) → 2 CO(g)
O 2 NH3(g) → N2(g) + 3 H2(g)

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