Given a process with ∆Η = − 250 kilojoules/mol ∆S = - 100 joules/K mol at what temperature (Kelvin) will the process be spontaneous?  What is ∆G if the temperature you calculated above is reduced by 200K?

Q: Use the standard free energy data to determine the free energy change for the following reactions,…

A: Answer:- This question is answered by using the simple concept of calculation of Gibbs free energy…

Q: Determine ∆G° for the reaction 3 N₂(g) + 2 O₃(g) → 6 NO(g) at 223°C.   ∆H°= +257.7 kj/mol ∆S°=…

A: Gibbs Free energy (G) : The energy associated with a chemical reaction that can be used to do work.…

Q: For a reaction where ∆H° = +573 kJ/mol and ∆S° = +1.64 kJ/mol･K, at what temperature, in K, does…

A: For a reaction to be spontaneous the value of ∆G° must be negative.

Q: Use data in the table below to establish at 298 K for the reaction: 2 NaHCO3 (s) → Na2CO3 (s) +…

A: Here we are required to find the equilibrium constant .

Q: When is a reaction never spontaneous?   Keq   ∆H>0, ∆S>0   Keq0

A: Free energy of a system is the difference between the initial-state energy and the equilibrium…

Q: For a certain reaction at 15°C, ∆H = −10.5 kJ/mol and ∆S = 30. J/mol•K. Calculate ∆G for the…

A: ∆G is the change in gibbs free energy. The value of ∆G is given by following expression :  ∆G = ∆H -…

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

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Q: What is the entropy when 1.39 moles of CCl₂F₂ vaporize at 25°C? [∆H(vap) = 17.2 kJ/mol at 25°C]

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Q: NH3 ⇋ N2 + 3 H2 When 1.29 M NH3 wis allowed to decompose until equilibrium has been achieved, 0.77…

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Q: Calculate the value of ∆G⁰reak for the following reaction walking at 298K CO(g) + ½ O2(g) ↔ CO2(g)…

A: Given that - CO(g) + ½ O2(g) ↔ CO2(g)   Now - G°(CO) = -137.16 kJ/mol G°(O2) = 0.0 kJ/mol G°(CO2) =…

Q: For a reaction, ∆Ho = 363.0 kJ mol-1 and ∆So = 311.2 J K-1mol-1. Calculate the value of ∆Go  kJ…

A: Given,   ∆Ho = 363.0 kJ mol-1 .                           ∆So = 311.2 J K-1mol-1.…

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: For a specific chemical reaction, ΔH = −254 kJ and ΔS = −86 J K-1. Calculate ΔG at 50 K, 200 K, and…

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Q: For a certain chemical reaction, ∆H° = -35.4 kJ and ∆S° = -85.5 J>K. Does the reaction lead to an…

A: Entropy of system is the measure of randomness of particles and the change in entropy of a…

Q: Calculate ∆Go at 25 ᴼC for the reaction of which ∆Ho = +210kJ; ∆So = 32.5 J/K

A: Given, ∆H° = +210 KJ  ∆S° = 32.5 J/K

Q: True or false?  For chemical reactions, when ∆G° for the reaction is less than ∆H° for the…

A: False

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: A certain liquid substance boils at 84.7 °C (at 1 atm) and has a standard enthalpy of vaporization…

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

A: We are having the value of ∆H° = -85.7 kJ/mol and ∆S° = -348.3 J/mol.K We have to calculate the…

Q: What is T if Keq = 2x104? Suppose that ∆G°= -50kJ/mol, ∆H° = -80kJ/mol, ∆S° = -150J/mol K at 298 K.…

A: The details solution for this is provided below in attach image.

Q: 10. Calculate the free energy change for the reaction shown below at 10 degree Farenheit. 12C5 + 3…

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Q: What is the entropy when 1.35 moles of CCl₂F₂ vaporize at 25°C? [∆H(vap) = 17.2 kJ/mol at 25°C]

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Q: Consider the following reaction at 25 °C: 5 SO₃(g) + 2 NH₃(g) → 2 NO(g) + 5 SO₂(g) + 3 H₂O(g) a)…

A: The standard enthalpy of the reaction is equal to the difference between the enthalpy of product and…

Q: What is the entropy when 1.34 moles of CCl₂F₂ vaporize at 25°C? [∆H(vap) = 17.2 kJ/mol at 25°C]

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Q: A certain liquid substance boils at 53.3 °C (at 1 atm) and has a standard enthalpy of vaporization…

A: The boiling point of the given substance is = 53.3oC = 53.3oC+273.15 = 326.45 K The standard…

Q: For the reaction below ∆G° = + 33.0 kJ, ∆H° = + 92.2 kJ, and ∆S° = + 198.7 J/K. Estimate the…

A: We wil use the Gibbs helmholtz equation to calculate the temperature when ∆G is zero. And above this…

Q: Given that the ∆H for the following reaction below is -534 kJ, determine the ∆Hfo for N2H4(l)…

A: The balanced chemical reaction is, N2H4l+O2g→2H2Og+N2g......(1) The enthalpy of the above reaction…

Q: 1. Calculate the AGºrxn using the following information at 298 K. Determine if the reaction is…

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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: Without doing any calculations, deduce the signs of ∆G, ∆H, and ∆S for the process.

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Q: For a reaction that has ∆H of -30 kJ and ∆S of -62 J/K, estimate at what temperature will the…

A: ∆G = ∆H - T∆S…

Q: For a certain chemical reaction, ∆H° = -35.4 kJ and ∆S° = -85.5 J>K. Calculate ∆G° for the…

A: ∆H°=-35.4KJ         =-35400J∆S° =-85.5J/K  T  =298K

Q: A reaction has the values: ∆S = 69.3 J K-1mol-1 and ∆H = 44.3 KJ mol-1 At what temperature in…

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Q: The ∆H° for a reaction is -46.8 kJ mol⁻¹ and ∆S° is -0.152 kJ mol⁻¹ K⁻¹. Calculate the ∆G° for this…

A: ∆H° = -46.8 kJ mol⁻¹∆S° = -0.152 kJ mol⁻¹ K⁻¹T = 298 K∆G° = ?Note: Relationship between enthalpy…

Q: When ∆G is negative, a chemical reaction is   spontaneous   non-spontaneous   endothermic…

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