Please solve both asap... Determine whether the reactions are entropy-favored or disfavored under standard conditions. Predict how a decrease in temperature will affect the valueof A;G*.F2 (g) → 2 F(g)a.Standard entropy for some substance given below.Compound S", J/K · molF2(8)202.8F(g)158.754The reaction isv under standard conditions. With a decrease in temperature, A,G° will|Б.2 CO(g) + O2 (g) → 2 CO2 (g)Standard entropy for some substance given below.Compound S*, J/K · molCO(g)197.674CO2 (s)213.7402 (8)205.07The reaction isunder standard conditions. With a decrease in temperature, A,G will

Any reaction is said to be entropy favored if and only if ΔS = positive and it is said to be…

Determine whether the reactions are entropy-favored or disfavored under standard conditions. Predict how a decrease in temperature will affect the value of A;G". F2 (8) → 2 F(g) Standard entropy for some substance given below. Compound S", J/K · mol Fa(g) 202.8 F(g) 158.754 The reaction i |under standard conditions. With a decrease in temperature, A,G* will| 2 CO(g) + O2(g) –→ 2 CO2(g) b. Standard entropy for some substance given below. Compound S', J/K · mol Co(8) 197.674 CO2(3) 213.74 O2(8) 205.07 The reaction is |under standard conditions. With a decrease in temperature, AG° wil|

Determine whether the reactions are entropy-favored or disfavored under standard conditions. Predict how a decrease in temperature will affect the value of A;G". F2 (8) → 2 F(g) Standard entropy for some substance given below. Compound S", J/K · mol Fa(g) 202.8 F(g) 158.754 The reaction i |under standard conditions. With a decrease in temperature, A,G* will| 2 CO(g) + O2(g) –→ 2 CO2(g) b. Standard entropy for some substance given below. Compound S', J/K · mol Co(8) 197.674 CO2(3) 213.74 O2(8) 205.07 The reaction is |under standard conditions. With a decrease in temperature, AG° wil|

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter17: Spontaneity, Entropy, And Free Energy

Section: Chapter Questions

Problem 11Q: The synthesis of glucose directly from CO2 and H2O and the synthesis of proteins directly from amino...

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The standard molar entropy of iodine vapor, I2(g), is 260.7 J Kl mol-1 and the standard molar enthalpy of formation is 62.4 kJ/mol. a) Calculate the entropy change for vaporization of 1 mol of solid iodine (use data from Table 16.1 or Appendix J). b) Calculate the enthalpy change for sublimation of iodine. c) Assuming that rSdoes not change with temperature, estimate the temperature at which iodine would sublime (change directly from solid to gas).
The standard molar entropy of methanol vapor, CH3OH(g), is 239.8 J K1 mol-1. (a) Calculate the entropy change for the vaporization of 1 mol methanol (use data from Table 16.1 or Appendix J). (b) Calculate the enthalpy of vaporization of methanol, assuming that rS doesnt depend on temperature and taking the boiling point of methanol to be 64.6C.
What is the second law of thermodynamics? For any process, there are four possible sign combinations for Ssys and Ssurr. Which sign combination(s) always give a spontaneous process? Which sign combination(s) always give a non-spontaneous process? Which sign combination(s) may or may not give a spontaneous process?
In a spontaneous process, S(universe) is (a) 0 (b) = 0 (c) 0
What types of experiments can be carried out to determine whether a reaction is spontaneous? Does spontaneity have any relationship to the final equilibrium position of a reaction? Explain.
For mercury, the enthalpy of vaporization is 58.51 kJ/mol and the entropy of vaporization is 92.92 J/K mol. What is the normal boiling point of mercury?
What is the sign of the standard Gibbs free-energy change at low temperatures and at high temperatures for the explosive decomposition of TNT? Use your knowledge of TNT and the chemical equation, particularly the phases, to answer this question. (Thermodynamic data for TNT are not in Appendix G.) 2C7H5N3O6(s) 3N2(g) + 5H2O() + 7C(s) + 7CO(g)
For ammonia (NH3), the enthalpy of fusion is 5.65 kJ/mol and the entropy of fusion is 28.9 J/K mol. a. Will NH3(s) spontaneously melt at 200. K? b. What is the approximate melting point of ammonia?
The synthesis of glucose directly from CO2 and H2O and the synthesis of proteins directly from amino acids are both non-spontaneous processes under standard conditions. Yet it is necessary for these to occur for life to exist. In light of the second law of thermodynamics, how can life exist?
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