Given the ΔH° and ΔS°, calculate the ΔG° values for the following reactions and indicate whether the reaction is spontaneous at standard conditions. If a reaction is not spontaneous, state what may be done to make the reaction spontaneous. ΔH° (kJ)       ΔS° (J/K) C(graphite) + 2H2(g) CH4(g)                       -74.9      +186.3 CH3CH3(g) H2(g) + C2H4(g)                      +137      +121 N2(g) + 2H2(g) N2H4(l)                               +50.6      -331 2.

Q: Q1.) For a certain chemical reaction, ΔH∘ = - 35.4 kJ and ΔS∘ = - 88.0 J/K 1. Exothermic or…

A: Answer 1: Exothermic or Endothermic? ΔH∘, represent heat content of the system which is expressed by…

Q: Consider the reaction shown below:             SnCl4(l) + 2 H2O(l) → SnO2(s) + 4 HCl(g)  ΔH˚ =…

A: Since the relationship between ΔG˚, ΔH˚ and ΔS˚ for any reaction is given by  ΔG˚ = ΔH˚ - T ΔS˚…

Q: For a reaction to be spontaneous, which of the following factors should have a negative sign? a…

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Q: Na (s) + 20 (g)-2NO; (e) AS = -121.77 J/K.mol; AH° = 66.36 kJ/mol Is the reaction shown above…

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Q: For the reaction below, which statement best describes what is happening with the sign of AGO CrP…

A: The chemical equation may be written as: CrPO4(s) + 3NaCl(aq)→ CrCl3(aq) + Na3PO4(aq) Number of ions…

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A: Spontanity of a reactions describes the ease of a reaction to occur.

Q: For the reaction below, which statement best describes what is happening with the sign of AGO?…

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Q: For a particular reaction, AH° = 55.4 kJ/mol and AS° = 94.1 J/(mol-K). Assuming these values change…

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A: Given: 2SO2(g) + O2(g) -----> 2SO3(g) From standard Table:  ∆f H°(SO2(g))     = -296.8 kJ/mol ∆f…

Q: For a certain reaction, ΔH = -35.4 kJ/mol and ΔS = -85.5 J/K mol. Is this reaction endothermic or…

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Q: 10. A chemical reaction at the standard state has the enthalpy of reaction: A,H° = +117 kJ and the…

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Q: Given the thermodynamic data, which of the following is acceptable in regards to the reaction shown?…

A: Explained as follows

Q: For the reaction H2(g) + S(s) --> H2S(g), ΔH° = -20.2 kJ/mol and ΔS° = +43.1 J/K·mol. Which of…

A: Given: ΔH° = -20.2 kJ/mol  ΔS° = +43.1 J/K·mol   Chemical reaction: H2(g) + S(s) → H2S(g)

Q: Directions: Calculate AG°, AH°, AS° then predict whether the reaction is spontaneous. 1. Consider…

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Q: Which of the following is a spontaneous process at atmospheric pressure? A. Water freezing at room…

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Q: Use the tables in the text to determine whether each reaction is spontaneous under standard…

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Q: Which of the following processes are spontaneous?   air escaping a balloon   combustion of natural…

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Q: Calculate the free energy change for the following reaction at 25°C. Is the reaction spontaneous at…

A: Given: ΔHrxn = −1269.8 kJ ΔSrxn=−364.6 J/K T = 25°C = 298 K

Q: Use the following information for the following three questions. AH --524 kJ/mol AS- -250 J/K-mol D…

A: Given,  ∆H° =  -524 kJ/mol = 524000 J/mol ∆S° = -250 J/k.mol

Q: Recovering aluminum directly from its ore, which is primarily aluminum oxide, involves the following…

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Q: For the reaction below, which statement best describes what is happening with the sign of ΔG0? CrP…

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Q: 10. For which set of enthalpy and entropy is the reaction spontaneous or nonspontaneous? ΔΗ AS T…

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Q: predict whether the reaction would be spontaneous

A: A reaction is said to be spontaneous reactions if it favors the formation of products at the…

Q: Consider the following reaction: CH3OH(g) --> HCHO(g) + H2(g); DHo = 85 kJ (2)…

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Q: The standard enthalpy change and standard entropy change for the reaction are: A,HP = -666.2 kJ…

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Q: Calculate the free energy change for this reaction at 25 °C. Determine if the reaction is…

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Q: 10. For which set of enthalpy and entropy is the reaction spontaneous or nonspontaneous? AS T…

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Q: For the reaction 2 NH3 (g) --> N2 (g)+ 3 H2 (g) , ∆H = +92 kJ. Which of the following is true?…

A: The given reaction is,  2 NH3 (g) --> N2 (g)+ 3 H2 (g) , ∆H = +92 kJ ∆H is positive, that means…

Q: The graph below shows the change in Gibbs free energy for two reactions. Change in Gibbs Free Energy…

A: Given:

Q: For a reaction for which AH = -142 kJ/mol and AS = -178 J/mol· K, which of the following statements…

A: If ∆G is negative, the process is spontaneous and may proceed in the forward direction. If ∆G is…

Q: When crystalline solid barium hydroxide octahydrate and crystalline solid ammonium nitrate are…

A: Recall the following relation     ∆G=∆H-T∆SFor any spontaneous process, ∆G<0  and for exothermic…

Q: A certain reaction has ΔH∘ = + 35.8 kJ and ΔS∘ = 85.5 J/K. 1. exothermic or endothermic? 2. Does…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Indicate whether the following processes are spontaneous or nonspontaneous.(a) Liquid water freezing…

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Q: CaO (s) + CO2 (g) → CaCO3 (s) At what temperature does the reaction become spontaneous?

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Q: Suppose a reaction has DH > 0 and DS > 0; that is, both enthalpy and entropy changes have positive…

A: The Gibbs-Helmholtz equation is: ∆G = ∆H - T∆S.  If ∆G is negative then the reaction will be…

Q: For the reaction below, which statement best describes what is happening with the sign of ΔG0? 2 C…

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Q: An exothermic reaction produces two moles of gas from one mole of solid reactant. Will the reaction…

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Q: If a reaction is exothermic and its entropy change is positive, which statement is true? (a) The…

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Q: For the reaction below, which statement best describes what is happening with the sign of AGO? N a2C…

A: The given reaction is; Na2CO3(aq) + CaCl2(aq) → CaCO3(aq) + 2NaCl(aq)      Endothermic Endothermic…

Q: An endothernmic reaction with increase in entropy a. always spontaneous b. spontaneous in low…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: For a particular reaction, AH° = 20.1 kJ/mol and AS° = 45.9 J/(mol·K). Assuming these values change…

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Q: The standard enthalpy change and standard entropy change for the reaction are: AHP = -1036.0 kJ mol1…

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Q: Answer the questions on the following reaction at 575 degrees C. CaO(s) + 3 C(s) ----> CaC2(s) +…

A: Entropy represent randomness of particle as the randomness increase entropy also increase.

Q: From the following ∆H and ∆S values, predict whether the reaction would be spontaneous. If not, at…

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Q: At what temperature will a reaction become spontaneous given: Entropy change = 170 J/K enthalpy…

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