Determine the Spontaneity of the reaction ΔH⁰ = -750 kJ and ΔS⁰ = 250 J/K

Q: For each reaction with ΔH = + 187 kJ/mol and ΔS = + 365 J/molK ,at what temperature at which the…

A: Given: ΔH = +187 KJ/mol or +187000 J/mol ΔS = +365 J/molK We have to calculate temperature(T) at…

Q: A reactions has ΔH°298 = 100 kJ/mol and ΔS°298 = 250 J/mol·K. Is the reaction spontaneous at room…

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Q: At constant pressure, the following reaction 2NO2(g)  N2O4(g) is exothermic. The reaction (as…

A: For the given reaction, change in enthalpy is negative.Thus,

Q: 6. At a constant pressure the following reaction is exothermic: 2 NOe) → N;Oe)- Which of the…

A: 2 NO2(g) ---> N2O4(g) This Reaction is exothermic (at constant pressure ). The reaction is…

Q: Consider the reaction:  H2S(g)+SO2(g)---> 3S(g)+2H2O(l) for which delta H is -233 kJ and delta S…

A: Given:

Q: Which substance would have the greatest standard molar entropy? O N2(g) NO2(g) O N2(1) O NO2(1)

A: Entropy (S): entropy dependence on randomness of a system . For example randomness order…

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: Determine if the following reaction is spontaneous at 298K BaCO3(s) ↔ BaO(s) + CO2(g) ΔHf˚ =…

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Q: 12. Consider the oxidation of iron metal 4Fe +302g → 2Fe,O) . by determining the sign of Astotal,…

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Q: For the reaction, 4KClO3(s) → 3KClO4(s) + KCl(s) Calculate ΔGosys for the process at 298 K if…

A: ∆Gsyso = ∆Hsyso - T ∆Ssyso  where     ∆Hsyso = Standard enthalpy change of system = - 144.3 KJ x…

Q: The reaction: Al(s) + Fe₂O3(s) → Fe(s) + Al₂O3(s) has AH = -847.6 kJ and AS = -41.3 J/K at 25 °C.…

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Q: For an imaginary reaction below AG = 22.0 KJ, AH° = +62.4 KJ, and AS° =+152.2 J/K. Estimate the…

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Q: The following reaction for the formation of glucose from carbon dioxide and water:…

A: The given reaction is,

Q: Use the data given here to calculate the values of AGixn at 25 °C for the Compound AG; (kJ/mol)…

A: The reaction taking place is given as, => A + B ----> C

Q: For the reaction CaO(s) + CO2(g)CACO3(s) at 298 K, AG = -130.9 kJ/mol, AH= -178.3 kJ/mol, AS = -159…

A: For spontaneous reaction, value of  ΔG is negative. For non- spontaneous reaction,  value of ΔG is…

Q: For the reaction 202(g) + 5H2(g) C2H2(g) + 4H20(g) AH° = 46.5 kJ and AS° = -125 J/K At standard…

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Q: A reaction has a standard enthalpy change, ΔH, of +10.00 kJ/mol at 298 K. The standard entropy…

A: The relationship between enthalpy change (∆H), entropy change (∆S) , gibbs energy change (∆G) and…

Q: For the reaction below AH = +92.2 kJ, and AS = +198.7 J/K. Estimate the temperature at which this…

A: To find the temperature.

Q: Consider the following reaction at room temperature:                         Co(s) + Fe2+(aq, 1.94…

A: The above Nernst equation could be simplified as, Ecell=E°cell-0.0592VnlogQ

Q: 1. What thermodynamie quantity is used to determine whether a chemical reaction will proceed…

A: When a reaction proceed on its own without any external aid, it is called spontaneous reaction.

Q: Dinitrogen tetroxide (N2O4) decomposes to nitrogen dioxide (NO2). If ΔH° = 58.02 kJ/mol and ΔS° =…

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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: value for ΔrS°, in units of J K-1‑mol-1 at 25 °C?

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Q: Using the values given for ΔH∘ and ΔS∘, calculate ΔG∘ for each of the following reactions at 298 K.…

A: Step 1: (A) For the given reaction: The value of ΔH⁰ =−844 kJ, ΔS⁰= −165 J/K, while temperature is…

Q: Given the ΔH° and ΔS°, calculate the ΔG° values for the following reactions and indicate whether the…

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Q: calculate the free energy change (in kJ) of a reaction at 466.4K that has an entropy change of…

A: Given,    ΔS = 692.2 J/K   = 0.6922 kJ/K   ΔH = - 4.24 kJ    T = 466.4 K Free energy change ( ΔG )…

Q: Consider this reaction: CH3COOH(I) > CH3OH(g) + CO(g) Calculate the minimum temperature at which…

A: To check spontaneity of a reaction , we check sign of ∆G of reaction.  As , a reaction is spontenous…

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

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Q: Calculate the temperature (in oC) above which the following standard reaction is spontaneous.…

A: The relationship between Gibbs energy chane (∆G°) , entropy change (∆S°) and enthalpy change (∆H°)…

Q: 4 Fe + 30, 2 Fe,O; AS°3ys = - 225 J /K AH® 0.0 0.0 -98.3 kJ/mol What is AS° univ if AS°ys = - 225 J/…

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Q: At constant pressure, the following reaction is exothermic. 3H2(g) + N2(g) + NH3(g) Reaction (as…

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Q: What is the standard change in free energy (in kJ) at 127°C for the reaction below, given ∆H° = -312…

A: given data are- ∆H° = -312 kJ  ∆S° = +66.7 J/K temperature = T = 127oC = 127 + 273 = 400 K free…

Q: For a particular reaction, Δ?∘=67.7 kJ/mol and Δ?∘=126.9 J/(mol⋅K). Assuming these values change…

A: Given : ΔHo of reaction = 67.7 KJ/mol = 67700 J/mol…

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: enumerate at least three examples each for a spontaneous reaction and a nonspontaneous reaction

A: A spontaneous reaction is a reaction which occurs without the help of an external force or energy.…

Q: 2. SO2(g) + O2(g), AH°25°C = +99.2 kJ and AS°25°C = +93.94 J/K. Is the reaction spontaneous at 25°C?…

A: The question is based on the concept of spontaneity of the reaction. if Gibbs free energy change of…

Q: For a particular reaction, AH = -46.7 kJ and AS =-123.8 J/K. Assuming these values change very…

A: ∆H°=-46.7KJ ∆S°=-123.8J/K ∆H°-T∆S°=0

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

A: Given that:  T = 25°C = 25°C + 273 = 298K  dHrxn = 29.8KJ/mol

Q: For each reaction with ΔH = + 245 kJ/mol and ΔS = + 48 J/molK ,at what temperature at which the…

A: The question is based on the concept chemical thermodynamics.   We have been given entropy &…

Q: Given the values of AH, ASa, and T, determine ASuniy and predict whether or not each reaction is…

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Q: 10. Use the data: AGº (CO) = -137.2 kJ, AGº (C) = 0 kJ, AGº (O₂) = 0 kJ, to find K at 298 K for the…

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Q: A certain reaction is spontaneous at 65 ° C. If the enthalpy change for the reaction is  15…

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

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

Q: A reaction has AH = -112 kJ and ASan = 354 J/K. At what temperature is the change in entropy for the…

A: The given data contains, ∆H°reaction=-112 kJ∆S°reaction=354 J/K

Q: For a particular chemical reaction H = 6.8 kJ and S = –29 J/K. Under what temperature condition is…

A: The Gibbs free energy change for a reaction is negative for a spontaneous reaction and is zero for a…

Q: For the reaction CO (g) + H2O (g) → CO2(g) + H2 (g), calculate the following reaction's…

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Q: A reaction has AH°= 100 kJ/mol and AS°= 250 J/mol.K. Is the reaction spontaneous at room…

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Q: At what temperatures will a reaction be spontaneous if AH = +158 kJ and AS = +411 %3D %3D J/K? O The…

A: Given ΔH = 158 kJ = 158000 J ΔS =  411 J/K

Q: 1. From the values of AH and AS, predict which of the following reactions would be spontaneous at…

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