Which of the following is true for a particular reaction if ∆G° is -40.0 kJ/mol at 290 K and –20.0 kJ/mol at 390 K?

Q: For a given reaction, the ΔS°rxn is 239.9 J/mol*K and the ΔG°rxn is -212.7 kJ/mol at 298 K. What is…

A: In the given question we have to calculate the change in free energy at 580 K , assuming that…

Q: What is the equilibrium constant, K, for a reaction if ∆G° = -51.2 kJ/mol at 25.0 °C? (R = 8.314…

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Q: At 460 K, ∆G = -15.00 kJ/mol for the reaction 2 A (g) → B (g). If the partial pressures of A and B…

A: Answer: ∆G° for this reaction is 3.42 kJ/mol.

Q: The reaction A(g) ∆ B(g) has an equilibrium constant of5.8 and under certain conditions has Q = 336.…

A: Given that : Equilibrium constant Kc = 5.8. It means that ∆G° < 1. Hence, ∆G° is negative.

Q: An unknown acid, HB, has a ∆G°rxn of 35.0 kJ/mol at 298 K. What is the Ka of HB?

A: Acids are the chemical compounds which are able to provide proton, H+ in the solution. Acids have…

Q: Define spontaneity of a reaction in terms of ∆G. Determine if a process is spontaneous based on…

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Q: Predict the sign of ∆G for an endothermic reaction with an increase in entropy. positive negative no…

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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: considering the equation: AB(s) +C2(g) --> A(s) + C2B(g) The ∆Sf° for AB(s) and C2B(g) is -12.8…

A: Given ∆Sf° AB(s) = -12.8 kcal C2B (g) = -8.02 kcal ∆Hf° AB(s) = -12.7 kcal C2B (g) = -4.93 kcal

Q: An unknown acid, HB, has a ∆G°rxn of 17.5 kJ/mol at 298 K. What is the Ka of HB?

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Q: Predict the sign of ∆Srxn by checking a box of your choice on the right of each reaction.   Check…

A: Entropy is the measure of degree of randomness or disorder in the system. Higher the disorder in the…

Q: For the reaction 2 A B, the value of Kc = 4.50, at 100oC. Determine the value of ∆G, in kJ/mol for…

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Q: A) AG becomes less negative and the reaction becomes less spontaneous. B) AG becomes more negative…

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Q: Predict the sign of ΔG for the following reaction conditions without using specific numbers:…

A: When the change occurs in the system, surroundings, and universe then automatically the value of…

Q: The ∆H and ∆S for the decomposition of sulfur tetrabromide to sulfur and liquid bromine is +115 kJ…

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Q: Calculate ∆ Grxn° values for the following reactions at 298 K using the tabulated ∆ Gf° values. a)…

A: The chemical reactions given are  a) 2 Mg (s) + O2 (g) → 2MgO(s) −1138.6 kJ/mol b) 2 CH3OH (g) + 3…

Q: Calculate G°, for the reaction below at 25.0 °C rxn NH,CI(s) →HCI(g) + NH3(g) given G°f [NH4CI(s)] =…

A: We have given that  For reaction    NH4Cl(s) --------> HCl(g) + NH3(g)  We know that  ∆Grxn =…

Q: Consider the following reaction at 25 °C: 3 NiO(s) + 2 NH₃(g) → 3 Ni(s) + N₂(g) + 3 H₂O(g) If ∆G°…

A: The amount of energy related to a chemical reaction which can be used to extract some useful work is…

Q: A reaction has the following thermochemical values at 272.15 K: ΔH = -189.3 kJ mol-1 ΔS = -166.0 J…

A: Given-> Temperature (T) = 272.15 K ∆H = -189.3 kJ.mole-1 = -189300 J.mole-1(1KJ=1000J) ∆S =…

Q: Consider a process with ∆H = -89.8 kJ and ∆S = -151 J/K.  At what temperature will this process be…

A: The objective of the question is to find the temperature at which the process will be at…

Q: reaction has the following thermochemical values at 273.15 K: ΔH = -184.8 kJ mol-1 ΔS = -166.6 J…

A: Given,  ΔH = -184.8 kJ mol-1 ΔS = -166.6 J mol-1K-1 Temperature = 273.15 K

Q: Find the the ∆H°rxn if ∆G°rxn is 420 kJ/mol and ∆S°rxn is -143 J/mol*k *refer to the photo attaced.

A: Since there are multiple questions, we are authorized to answer only the first one, that is, no. 1.…

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: Calculate the ∆G in kJ/mol for a reaction at room temperature (~25.00°C) that has a Keq = 1000.0.…

A: We have to calculate the ∆G.

Q: Determine AS° for the reaction: Sº (J/K-mol) 256.2 SO3 H₂O 69.9 H₂SO4 156.9 1343.2 J/K-mol -29.4…

A: The objective of the question is to calculate the change in entropy (ΔS°) for the given reaction.…

Q: The ΔG°rxn for this reaction is -107.8 kJ/mol. Given the values for ΔGf°; what is the ΔGf° for…

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Q: The Keq for a reaction is 985 at 358 ∘C. Calculate the value of ΔrG∘ in kJ/mol at this temperature.

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Q: The enthalpy and entropy changes for a reaction at 298 K are ∆H = -102 kJ and ∆S = -208 J/K. Which…

A: Given:  ∆H = -105 kJ;       ∆S = -208 J/K;       T = 298 K∆G = ∆H-T∆S∆G = -105 kJ - (298 K) (-0.208…

Q: Consider the reaction: ICl(g) + Cl₂(g) → IC₃(s). The ∆G(f)° of ICl(g) is -5.5 kJ/mol and the ∆G(f)°…

A: Given: ∆G(f)° of ICl(g) = -5.5 kJ/mol ∆G(f)° of ICl₃(s) = -22.59 kJ/mol ∆G(f)° of Cl2(s) = 0 kJ/mol

Q: Calculate the ∆H and ∆G for the following reactions at 25 degrees Celsius: Al2O3 (s) + 2Fe (s) —>…

A: Delta G is the change in Gibb's free energy and delta H is the change in entropy. Delta G increases…

Q: The “x” on the graph corresponds to ∆G for the reaction.

A: Given graph:

Q: A reaction has the following thermochemical values at 283.15 K: ΔH = -183.3 kJ mol-1 ΔS = -160.6 J…

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Q: Octane 1C8H182 is a liquid hydrocarbon at room temperature that is a constituent of gasoline.…

A: We have the equation ∆G°=∆H°-T∆S° Where ∆H° is change in enthalpy, ∆G° is change in free energy, T…