Suppose that a reaction has AH = -28 kJ and AS= -60 J/K. At what temperature will it change from spontaneous to non-spontaneous?

Q: For a certain chemical reaction, AH" = +9.8 kJ and AS = +30.0 J/K. a) Is the reaction endothermic or…

A: The More the Negative value Of gibbs free energy more spontaneous  will  be reaction.

Q: For the reaction 2co(g) + 2NO(g)→2C02(g) + N2(g) AH° = -746.6 kJ and AS° = -198.0 J/K The maximum…

A: The maximum amount of work that can be extracted from a reaction is given by Gibbs free energy.

Q: At 961. K, ΔGo equals -77.2 kJ for the reaction, N2O4(g) ⇌ 2 NO2(g).   Calculate the value of…

A: The relationship between deltaG°(the free energy change) and K (the equilibrium constant) is…

Q: Calculate AG at 45°C for a reaction for which AHº = -76.6 kJ and AS° =-392 J/K AG° kJ

A: here the two thermodynamic  property  given  ∆H°=-76.6KJ∆S°=-392J/KUsing the formula∆G°=∆H°-T∆S…

Q: For the reaction: CS2(g) + 2 H2S(g) CH4(g) + 4S(s) AH = -175 kJ and AS = - 495J/K a. At what…

A: For a reaction to occur spontaneously, delta G should be less than 0

Q: Copper Metal is obtained by smelting copper(I) sulfide ores: Cu2S(s) + O2(g) → 2 Cu(s) + SO2(g) Use…

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Q: Consider the reaction described by the chemical equation shown. 3 C,H, (g) → C,H,(1) AHxn = -633.1…

A: here we are required to find the change in entropy and standard Gibbs free energy for the conversion…

Q: Consider the reaction described by the chemical equation shown. C,H,(g) + H,O(1) → C,H,OH(1) AHân =…

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Q: 14 For a process with AH 0 ΟΔΕ >0 O AS > 0 O Never. 20 The standard enthalpy of reaction, AHf pen,…

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Q: 6. A reaction has a AH° of -29 kJ and AS° is -60. J/K. Calculate the temperatu from spontaneous to…

A: Spontaneous reactions are those reactions which proceed on their own without any external force.…

Q: Liquid water vaporizes spontaneously at 25ºC. What is the sign of ΔSuniv? Decide on the relative…

A: Liquid water vaporizes spontaneously  As entropy of vapour (gas) is more  than liquid  So sign of…

Q: For the reaction2CO(g) + 2NO(g)2CO2(g) + N2(g)ΔH° = -746.6 kJ and ΔS° = -198.0 J/KThe maximum amount…

A: The given balanced equation can be expressed as: Calculate the standard free energy by using the…

Q: For the reaction of xenon and fluorine gases to form solid XeF4, ΔH° = -251 kJ and ΔG° = -121 kJ at…

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Q: Enter your answer in the provided box. À reaction will be spontaneous only at low temperatures if…

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Q: For a process with AH 0 O Never. O AE > 0 O AS > 0

A: A reaction is said to proceed spontaneously at any temperature if the enthalpy decreases and the…

Q: 4. From the following AH and AS values, predict whether the reaction would be spontaneous. If not,…

A: Formula used ∆G = ∆H — T∆S For spontaneous reaction ∆G < 0 To make reaction spontaneous…

Q: If AH = -50.0 kJ and AS = -0.400 kJ/K , the reaction is spontaneous below a certain temperature.…

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Q: Consider the following thermochemical equation: H2O2(1) H2O(1) + %02(g) AH= -98.2 kJ When is this…

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Q: The figure represents the spontaneous evaporation of nitrogen in which liquid nitrogen, N2 (/ ),…

A: 22. Given reaction,     N2(l)  →  N2(g)

Q: Which of the following statement(s) are true for the reaction I2 (g) 21 (g)? (1) AS is positive (ii)…

A: Dissociation of iodine takes place at high temperature which means this is a endothermic reaction.…

Q: 6. For the reaction CaCO3(s) → CaO(s) + CO2(g) ΔHo = 178 kJ and ΔSo = 161 J/K, at standard…

A: For the given reaction, the value of ΔH and ΔS is given and it is required to determine at what…

Q: 2.2.Predict if the following reaction is spontaneous or not. CO26)CO(g) at 25°C

A: We have given that  Predict if the reaction is Spontaneous or Not  CO2(s) ------> CO2(g)  at 25°C…

Q: For the reaction 250,(g) + O,(g)→2S0,(g) AG° --139.9 kJ and AS° -187.9 J/K at 308 K and I atm. The…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: (a) Is an endothermic reaction more likely to be sponta-neous at higher temperatures or lower…

A: Since you have posted multiple questions, we will solve only one question for you. If you any…

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A: According to the first law of thermodynamics, the summation of heat gained or lost by the system and…

Q: 7) Calculate AG for a reaction at 85 °C if AH is -34.6 kJ and AS is -114 J/K. Is the reaction…

A: Given ΔH = -34.6 kJ ΔS = -114 J/K T = 85°C

Q: [1] Given: CH,(g) + H2O(g) CO(g) + 3H2(g). AH° for the reaction is +206.1 kJ/mol, while AS° is +215…

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

Q: For the reaction 4HCI(g) + O2(g)→2H2O(g) + 2Cl2(g) AH° = -114.4 kJ and AS° = -128.9 J/K The maximum…

A: The reaction given is, Given: ΔHo = -114.4 KJ    Temperature = 311 K                       And ΔSo…

Q: For a particular reaction, AH = -328.21 kJ and AS = 98.7 J/K. Calculate AG for this reaction at 298…

A: Given: ∆H=-328.21 kJ∆S=98.7 J/K T = 298 K

Q: Given the ∆H°f, calculate the ∆H°rxn for the formation of diamond from graphite.  ∆H°f (C, graphite)…

A: The reaction is  C (graphite) -----> C (diamond) Since the ∆H°rxn = ∆H°f of products - ∆H°f  of…

Q: If the process is exothermic and not spontaneous, then what must be TRUE? O a. AS> 0 O b. AS0 O d.…

A: Exothermic process heat is given by system... Endothermic process heat given to the system...

Q: For the reaction 2NO(g) + 2H2(g) N2(g) + 2H2O(1) AH° = -752.2 kJ and AS° = -351.6 J/K The maximum…

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Q: What are the thermodynamic quantities of a system that affect the amount and sign of the internal…

A: since you have posted multiple questions. we are entitiled to answer first question only. please…

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: For a particular reaction, AH = -32 kJ and AS = -98 J/K. Assume that AH and AS do not vary with…

A: As we know that a spontaneous process is one that happens without the addition of external energy. A…

Q: 4 NH3 (g) + 5 O2 (g) -4 NO (g) + 6 HzO (g) ArHo = -906 kJ For the reaction above, predict the sign…

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Q: Consider the following reaction for the combustion of octane occurring at 373 K: C3H18() + 25/2…

A: In first question we have given the combustion reaction. Combustion reactions are always exothermic…

Q: For a reaction   ΔH= -4.7 kJ  and  ΔS= -69.5 J/K at 25 oC.  Determine the ΔG for this reaction

A: The question is solved using Gibbs – Helmoholtz equation.

Q: For the reaction H2(g) + C2H4(g)C2H6(g) ΔG° = -96.0 kJ and ΔS° = -120.7 J/K at 340 K and 1 atm.…

A: The Gibbs free energy gives the maximum amount of work that could be done by this reaction. It can…

Q: 8) Calculate AG for a reaction at -12 °C if AH is -34.6 kJ and AS is -114 J/K. Is the reaction…

A: To Solve this problem we will use the formula  ∆G = ∆H - T∆S  Where , ∆G = Gibbs free energy change…

Q: For the reaction HCl(g) + NH3(g)------>NH4Cl(s) ΔG° = -98.5 kJ and ΔS° = -284.8 J/K at 272 K and 1…

A: The balanced reaction given is, => HCl (g) + NH3 (g) -----> NH4Cl (s)…

Q: Calculate AG for the following reaction at 25°C. Will the reaction occur (be spontaneous)? How do…

A: ΔG for a reaction is calculated as: ΔG = ΔH-TΔS where T is the temperature in Kelvin   A reaction is…

Q: sing enthalpies of formation (Appendix C), calculate AH° for the following reaction at 25°C. Also…

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Q: For the reaction 4HCI(g) + O2(g) 2H20(g) + 2C12(g) AH° = -114.4 kJ and AS° = -128.9 J/K The maximum…

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Q: 1. Given the following thermochemical data at 25°C and 1 atm pressure, 3 02(g) + 2B(s) → B2O3(s)…

A: Given, 3/2 O2 (g) + 2 B(s) →B2O3 (s)   ∆H1°= -1264kJ O3 (g) + 2B (s) →B2O3 (s) ∆H2°= -1406 kJ 2O3…

Q: 9) For which set of values of AH and AS• will a reaction be non-spontaneous at 25°C? a) AH• = -10…

A: Multiple question

Q: Given the reaction: I2(s)+Br2(l)→2IBr(g) with ΔHo = +81.7 kJ and ΔSo = +249.0 J/K What is the…

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Q: 48.3 Consider the following reaction: 3N2(g) + 4H₂O(g) -> N₂O4(g) + 2N₂H4(1) a. Use the…

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Q: Determine if liquid water will spontaneously freeze at -10.00°C? Is it spontaneous at +10.00°C? What…

A: The process of conversion of ice into water is known as melting. The temperature at which this…

Q: If AH = -70.0 kJ and AS = -0.300 kJ/K , the reaction is spontaneous below a certain temperature.…

A: Formula used ΔG = ΔH−TΔS for reaction to be spontaneous  ΔG > 0 for spontaneous reaction  ΔH =…