Calculate the standard free-energy changes of the following reactions at 25°C. 1. Evaporation of water H2O(l)⟶H2O(g) 2. Production of electrical energy using Mg and Ca Ca(s)+ Mg^+2(aq) ⟶ Ca^+2(aq)+Mg(s)

Q: Consider the hypothetical cations, A' and C* and anions, B and D'. Calculate the AG when 20.0 mL of…

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Q: For a certain chemical reaction, the standard Gibbs free energy of reaction at 20.0 °C is -50.9 kJ.…

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Q: A chemist fills a reaction vessel with 0.383 g silver chromate (Ag, CrO₂) solid, 0.843 M silver (Ag)…

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Q: Consider the reaction: CaCO3(s) ↔ CaO(s) + CO2(g) The reaction enthalpy and entropy are: ΔHo rx =…

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Q: Determine the standard free energy change, ΔGf°, for the formation of S2− (aq) given that the ΔGf°…

A: Final answer : 92.094 KJ/ mol.

Q: At 869 K, ΔGo equals -82.7 kJ for the reaction, Cl2(g) 2 Cl(g).  Calculate the value of ln K for…

A: The equilibrium constant can be written as the ratio of concentration of products to the…

Q: For the chemical reaction O3(g) + OH(g) → 2 O2(g) + H(g), DrGq = 5.8 kJ/mol  at 298 K, 0 J/mol at…

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Q: The equilibrium constant for a particular reaction has a value of 7.40 × 10−4 at a temperature of…

A: Equilibrium constant, K = 7.40 × 10-4   Temperature , T = 24.4°C = ( 24.4 + 273)K = 297.4 K…

Q: Consider a general reaction   A(aq)⥫⥬===enzymeB(aq) The Δ?°′ of the reaction is −5.870 kJ·mol−1.…

A: ∆Go = - RT ln Keq

Q: Determine the standard free energy change, ΔG∘f, for the formation of S2−(aq) given that the ΔG∘f…

A: The required reaction is given below. Ag2S (s) → 2 Ag+ (aq) + S2- (aq)

Q: 23. Predict whether this reaction is product-favored at 25°C by calculating the change in standard…

A: Use Gibbs free energy equation to determine the reaction is spontaneous or non-spontaneous. If delta…

Q: At 313 K, ΔGo equals -95 kJ for the reaction, 2 Cl(g) Cl2(g). Calculate the value of ln K for the…

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Q: Calculate the standard Gibbs free energy for the following reaction at 25 °C and 1 atm. Based on…

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Q: Calculate the equilibrium constant for the following reaction at 25o C, given that change in…

A: Given:The free energy change is 163.4 kJ/mol.Temperature = 250C = 25 + 273 K = 298 K.

Q: Calculate AG° and K, at 25 °C for the reaction 2 HBr(g) + Cl2(g) → 2 HCI(g) + Br,(t) Is the reaction…

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Q: Calculate the standard enthalpy change for the reaction at 25 °C. Standard enthalpy of formation…

A: Enthalpy of reaction is defined as Change in enthalpy of products minus change in enthalpy of…

Q: Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Refer to the AG°{…

A: The  question is based on concept of chemical thermodynamics. we have to calculate Gibbs free energy…

Q: Calculate the standard Gibbs free energy of the reaction, ΔG∘rxn. The standard enthalpy of the…

A: We have given that ∆G° of C2H4(g) = 68.4 KJ/mol ∆G° of H2O(l) = -237.1KJ/mol ∆G° of C2H5OH(l) =…

Q: Calculate the standard enthalpy, entropy, and Gibbs free energy at 298 K for the reaction shown,…

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Q: For a certain chemical reaction, the standard Gibbs free energy of reaction at 30.0 °C is -61.4 kJ.…

A: Given standard Gibbs free energy, ∆Go = - 61.4 kJ  temperature, T = 30.0 + 273.15 = 303.15 K

Q: Here again is the balanced equation for the formation of hydrogen gas (H2(g)) that took place in the…

A: Any reaction whether it will be spontaneous or not can be known from the change its Gibbs free…

Q: Calculate E∘cell�cell∘ for a redox reaction with n� = 2 that has an equilibrium constant of K� = 24…

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Q: Determine the standard free energy change, ΔG°f  , for the formation of S2−(aq) given that the ΔG°f…

A: The required reaction is given below. Ag2S (s) → 2 Ag+ (aq) + S2- (aq)

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

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Q: Calculate the standard change in Gibbs free energy, AGin, for the given reaction at 25.0 °C. Consult…

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Q: The overall reaction for the corrosion of iron (rusting) by oxygen is…

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Q: For a certain chemical reaction, the standard Gibbs free energy of reaction at 5.00 °C is -76.7 kJ.…

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Q: Calculate the standard change in Gibbs free energy, AG;an , for the given reaction at 25.0 °C.…

A: a) Given: The reaction, NH4Cl(s)⇌NH4+(aq)+Cl-(aq) Temperature, T=25°C=298 K