Calculating dG from dH and dS chemical engineer is studying the two reactions shown in the table below. In each case, she fills a reaction vessel with some mixture of the reactants and products at a constant temperature of 134.0 °C and constant total pressure. Then, she measures the reaction enthalpy AH and reaction entropy AS of the first reaction, and the reaction enthalpy AH and reaction free energy AG of the second reaction. The results of her measurements are shown in the table. Complete the table. That is, calculate AG for the first reaction and AS for the second. (Round your answer to zero decimal places.) Then, decide whether, under the conditions the engineer has set up, the reaction is spontaneous, the reverse reaction is spontaneous, or neither forward nor reverse reaction is spontaneous because the system is at equilibrium. 2NOCI(g) 2NO(g) + C₁₂ (g) →>> 2NH3(g) →>> N₂H₁ (g) + H2(g) AH = 76. kJ J AS = 107. K ☑ AG = KJ Which is spontaneous? this reaction the reverse reaction neither AH 188. kJ J AS = K AG 31. kJ Which is spontaneous? this reaction the reverse reaction neither ? 000 18 Ar
Calculating dG from dH and dS chemical engineer is studying the two reactions shown in the table below. In each case, she fills a reaction vessel with some mixture of the reactants and products at a constant temperature of 134.0 °C and constant total pressure. Then, she measures the reaction enthalpy AH and reaction entropy AS of the first reaction, and the reaction enthalpy AH and reaction free energy AG of the second reaction. The results of her measurements are shown in the table. Complete the table. That is, calculate AG for the first reaction and AS for the second. (Round your answer to zero decimal places.) Then, decide whether, under the conditions the engineer has set up, the reaction is spontaneous, the reverse reaction is spontaneous, or neither forward nor reverse reaction is spontaneous because the system is at equilibrium. 2NOCI(g) 2NO(g) + C₁₂ (g) →>> 2NH3(g) →>> N₂H₁ (g) + H2(g) AH = 76. kJ J AS = 107. K ☑ AG = KJ Which is spontaneous? this reaction the reverse reaction neither AH 188. kJ J AS = K AG 31. kJ Which is spontaneous? this reaction the reverse reaction neither ? 000 18 Ar
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
Chapter13: Spontaneous Processes And Thermodynamic Equilibrium
Section: Chapter Questions
Problem 39P
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