reaction has AHxn= 533 kJ/mol and ASTxn= -57 J/K•mol. What can be said about this %3D action? The reaction is always spontaneous The reaction is never spontaneous The reaction is spontaneous at low enough temperatures OThe reaction is spontaneous at high enough temperatures

Q: For a particular reaction, Δ?∘=20.1 kJ/mol and Δ?∘=45.9 J/(mol⋅K). Assuming these values change very…

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Q: 50. For the process O2(g) → 2 O(g), AH° = +498 kJ. What would be predicted for the sign of ASrxn and…

A: 50. The given process has a positive sign for enthalpy change. Hence, the process will be an…

Q: the following reaction 2 NO (g) +  O2 (g) -> 2 NO2 (g) Horxn = -12 kJ and Sorxn = -146 J/K. a.…

A: Given-> 2NO(g) + O2(g) ---> 2NO2(g) ∆H°rxn = -12 KJ = -12000 J (1 KJ = 1000J) ∆S°rxn = -146J/K…

Q: Do exothermic or endothermic reactions have a greater tendency to be spontaneous, and why? IUse the…

A: A spontaneous reaction  take place without any external input to the system. It can also be defined…

Q: At what temperatures is the following process spontaneous at 1 atm? ΔH° = +20 kJ and ΔS° = - 50 J/K

A: The reaction is always non-spontaneous at all temperatures.

Q: (a) What is the maximum electrical work obtainable from the reaction | 0,(g) + H,(g) = H,O(1) %3D…

A: In a reversible reaction, very less amount of heat is lost and thus such reactions are highly…

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

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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: For the combustion of CO(g): 2CO(g) + 02(g) 2CO2(8) the reaction is spontaneous at 25 °C. What can…

A: First, calculate the standard enthalpy of the reaction as follows: ∆H° = 2∆H°CO2(g) -  2∆H°CO(g)+…

Q: For a certain reaction, AH° = +27.1 kJ and AS° = +111 J/K. If n=3, calculate E° for the reaction at…

A: From thermodynamics: ∆G°=∆H°-T∆S°…

Q: A certain reaction has a positive value of enthalpy change. Which of the following statements is/are…

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Q: A certain reaction is spontaneous at 25°C. If the enthalpy change for the reaction is 29.8 kJ/mol,…

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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: What is the ∆G° if ∆H° is +42.7 kJ and ∆S° is +88 J/K? (SHOW CALCULATIONS) b) Is it spontaneous?…

A: ∆H°=+42.7kJ =42.7 × 1000 = 42700joule ∆S°= +88J/K ∆G°=?

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

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Q: 2 ClO2 (g)   +  2 TiCl4 (l)    →     2 TiO2 (s)   +   5 Cl2 (g)         Delta H =  – 343.8 kJ when…

A: Please have a look on the solutiion:

Q: 3. 1. N2(g)+3112(g) -->2NH3(g) If AH = -92.2kJ and AS- -0.1987k/K, what is AG for the reaction at…

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Q: An endothermic reaction can be demonstrated by freezing an Erlenmeyer flask to a piece of plywood…

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Q: If H=-180kJ/mol and S=45J/k, then the reaction will be… a)      Spontaneous at all temperatures b)…

A: Reaction spontaneity ∆H ∆S reaction spontaneity + value - value non spontaneous at all…

Q: Calculate the temperature at which the reaction changes from a spontaneous to non-spontaneous…

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Q: Consider the reaction CaCO3(s) CaO(s) + CO2(g) The standard free energy change for this reaction is…

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Q: For a particular reaction, Δ?∘=−28.4 kJ/mol and Δ?∘=−87.9 J/(mol⋅K). Assuming these values change…

A: Given: ΔHo = -28.4 KJ/mol = -28400 J/mol. And the value of ΔSo = -87.9 J/mol.K.

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

A: As this reaction is endothermic in nature as Del H is positive

Q: If the Delta*H = 135kJ / m * ol and AS 92 J/K mol, at what temperature does this reaction become…

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

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Q: spontaneous

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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: 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: Atte Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Standard Gibbs…

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Q: A chemical engineer wants to determine the feasibility of making ethanol (CHOH) by reacting water…

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Q: For the reaction at 298 K, the values of H and S are 58.03 kJ and 176.6 J/K, respectively. What is…

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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: The following reaction is spontaneous at room temperature: N2(g) + 3H2(g) → 2NH3(g) For this…

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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: Which of the following statements correctly describe the second law of thermodynamics? I. Heat will…

A: Answer  Second law of thermodynamics The first law of thermodynamics state…

Q: Given the reaction: NaOH(s) + H,O() ? Na+(aq) + OH-(aq) + 10.6 kJ, the heat of reaction, AH, is…

A: Given: Reaction is as follows: NaOH + H2O  ----->   Na+  +  OH-  + 10.6 KJ This is an exothermic…

Q: The standard enthalpy change and standard entropy change for the reaction are AH =-660 2 kJ mol"'…

A: As per our guidelines we can only solve first question. Please resubmit other questions as next…

Q: Suppose that a reaction has AH = -28 kJ and AS= -60 J/K. At what temperature will it change from…

A: We have to predict the temperature.

Q: Which of the following processes is both exothermic (at 1 atm) and spontaneous? A) Sublimation of…

A: The process which is both exothermic and spontaneous is condensation of water at 99.5°C.

Q: Calculate ∆G° for a reaction for which ∆H° = 24.6 kJ and ∆S° = 132 J/K at 298 K. Is the reaction…

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Q: A particular reaction is spontaneous at 450 K. The enthalpy change for the reaction is +34.5 kJ.…

A: The spontaneous nature of the reaction is determined by calculating the change of free energy of the…

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Q: Given the data below, calculate the temperature at which the reaction becomes spontaneous: N2 (g) +…

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Q: For the reaction given below, AH--1516 kJ at 25 C and AS--432.8 J/K at 25 C, This reaction is…

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Q: (b) What is the first law of thermodynamic? Define the Hess law. Given the following data; 2CIF(g) +…

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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: Consider the reaction H2O(1)→H2O(g), AH = 44.0kJ What will AH be for the reaction if it is reversed?

A: To determine the value of ∆H for reverse reaction we would use the value of ∆H for given reaction .…

Q: If a process is exothermic and not spontaneous, then what must not be true? a) AG>0 b) AH0 d) AS<0

A: For exothermic process, ΔH &lt; 0 For non spontaneous process, ΔG &gt; 0

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

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Q: For a given reaction, ΔH∘∘= +35.5 kJ/mol and ΔS∘∘= +83.6 J/(K∙∙ mol). In what temperature range is…

A: From thermodyanamic relations, we have ΔGo = ΔHo - TΔSo      ------(1) For a reaction to be…