Calculate the standard free-energy changes for the following reactions at 25°C and interpret the values obtained from the calculations. Write your answers in a separate sheet of paper. a. CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) b. 2MgO(s) → 2Mg(s) + O2(g) Substance ∆G°f (kJ/mol) CH4 -50.8 O2 0 CO2 -394.4 H2O -237.2 MgO -569.6 Mg 0

Q: Calculate ∆Gº for the reaction, 2CH4(g)+3O2(g)→2CO(g)+4H2O(g), given ∆Gºf for CH4(g)=-50.8 kJ/mol,…

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Q: For the reaction shown below, determine the value of ΔSsurr at 345 K.Express your answer to 3…

A: The objective of the question is to calculate the change in entropy of the surroundings (ΔSsurr) for…

Q: For the reaction: CdO(s) + SO3(g)   CdSO4,  ∆H° = –279.4 4 kJ/mole and ∆S° = –118.1 J/mole K. At…

A: Reaction :CdO(s) + SO3(g) < - >  CdSO4∆H° = -279.44 kJ/mole∆S° = -118.1 J/mole KKc = 1.0 x…

Q: Determine the standard free energy change (ΔG0) in the reaction: P2­(g) + O2(g) + 3Cl2(g) →…

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Q: Consider the reaction below for the decomposition of carbon tetrachloride gas:  CCl4(g)    ------>…

A: A negative value of Gibbs free energy change is indicated spontaneous reaction whereas a positive…

Q: Determine ΔS0 for the following reaction using the data from the table. Explain whether this value…

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Q: Classify the possible combinations of signs for a reaction's Δ?ΔH and Δ?ΔS values by the resulting…

A: The Gibb’s free energy change is expressed as:

Q: Given the following thermodynamic data calculate ∆S and ∆Ssurr for the following reaction at 25°C…

A: Formula used: ∆S=∆product-∆reactant

Q: Calculate the free-energy change of the following reaction at 350°C and standard pressure. Values in…

A: Reaction: C2H4(g) + 3O2(g) → 2CO2(g) + 2H2O(g) Given:

Q: Using the data below, the reaction: 2SO­3(g) → 2S(s, rhombic) + 3O2(g) is nonspontaneous.…

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Q: For the reaction at constant 25°C and 1 atm. 2Fe(s) + (3/2)O2(g) + 3H2O(l) → 2Fe(OH)3(s) ∆H = -780.7…

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Q: Calculate ΔG∘rxn again at 25∘C, but use the equation ΔG∘rxn=ΔH∘rxn−TΔS∘rxn to determine the value.…

A: ∆G°r*n=∆H°r*n-T∆S°r*nnow2COg→2NOg→2CO2g+N2gwhere∆H°r*n=n∑∆H°f(product)-m∑∆H°f(reactant)∆S°r*n=n∑∆S°(…

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: 15) Consider the reaction for the decomposition of carbon tetrachloride gas: CCIA(g) C(s, graphite)…

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Q: Consider the reaction, HQ = H+(aq) + Q¯(aq). At 350.0 K, the AS°rxn = -81.0 J/mol K and the AH°rxn =…

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Q: Use data from Appendix IIB to calculate ΔS∘rxnΔSrxn∘ for each of the reactions given.…

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Q: A diamond is forever” is one of the most successful advertising slogans of all time. But is it true?…

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Q: Calculate ΔG for the following reaction at 350 K if the partial pressure of nitrogen is 33.0 atm,…

A: First, we need to calculate the standard Gibbs free energy of the reaction that can be calculated…

Q: Which of the following reactions will be spontaneous at all temperatures? Select one: O a. H20(g) →…

A: Reaction is spontaneous or not it will be depends on ∆G sign ( if ∆G = +ve then it is nonspontaneous…

Q: Using the thermodynamic data provided below, determine the temperature in °K at which the…

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Q: 2.1.1 Calculate ∆rGo , using only Gibbs energy values. 2.1.2 Calculate the equilibrium constant, K,…

A: Given that -  1/4 S8 (s) + 3O2(g) → 2SO3 (g)    (2.1.1) -    Then, Gibbs free energy is -  ∆G°rxn =…

Q: An example of a reaction where ∆G = 0 is   C(graphite)→C(diamond)   any synthesis reaction…

A: We know, The value of  ∆G = 0 when the reaction is at an equilibrium.

Q: Calculate ΔS°rxn for the following reaction. The S° for each species is shown below the reaction.…

A: An increase in entropy results from an increase in disorder. Entropy is an extensive property ( a…

Q: spontaneous

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Q: Consider the synthesis of sulphur trioxide from its elements at 25oC: 1/4 S8 (s) + 3O2(g) → 2SO3 (g)…

A: Given reaction is  1/4 S8 (s) + 3O2(g) → 2SO3 (g) Given thermodynamic data is  Species…

Q: Consider the synthesis of sulphur trioxide from its elements at 25oC: 1/4 S8 (s) + 3O2(g) → 2SO3 (g)…

A: Given chemical reaction is  1/4 S8 (s) + 3O2(g) → 2SO3 (g) Thermodynamic Data given is : Species…

Q: For a particular reaction, ΔH∘=20.1 kJ and ΔS∘=45.9 J/K. Assuming these values change very little…

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Q: Use the data shown below, to calculate AH°rxn, AS°rxn, and AG°rxn at 25°C for the following…

A: The balanced reaction taking place is given as, => 3 H2 (g) + Fe2O3 (s) -------> 2 Fe (s) + 3…

Q: Determine the ΔUoreaction at 25 °C (in kJ/mol) for the following reaction: 5PbO2(s) + 4P(s,…

A: As per bartleyby guidelines i answered only first question so please don't mind and post other…

Q: For the process O2(g)      2O(g), ΔH° = 498 kJ·mol –1.  What would be the predicted sign of ΔS°rxn…

A: Given that :Reaction = O2(g) → 2O(g) ∆H° = 498kJ/mol

Q: Determine the sign of ΔSsys for the following chemical reactions without doing any calculations. a)…

A: Note: As per the guidelines solution of first 3 parts has been made. For the expert solution of…

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

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Q: The value of ΔH° for the reaction below is −5314 kJ.  The amount of heat that is released by the…

A: Balanced chemical equation: 2C4H10(g) + 13O2(g)  → 8CO2(g) + 10H2O(l)      ΔH° =  −5314 kJ From the…

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…

Q: What is ∆Gο at 25° for the reaction: 2 CO (g) + 2 H2 (g) → CO2(g) + CH4(g), given that at 25° ∆Hο =…

A: Recall data, ∆H°=-247.3 KJ mol-1 ∆S°=-256.5 J mol-1K-1= -0.2565 KJ mol-1K-1 ∆G°=?

Q: lculate ∆H for the reaction 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g), from the following data. 1. N2…

A: In a chemical reaction, some bonds are formed and some are broken.This results into change in the…

Q: Consider the synthesis of sulphur trioxide from its elements at 25°C: S8(s) + 30za) 2503 (g)

A: Given reaction is :  Change in entropy of surrounding = ∆Ssurr = ?  Change in entropy of universe =…

Q: Using the data below, the ∆S⁰ is -326.3 J/K in the combustion of hydrogen in the presence of excess…

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Q: Calculate ∆H for the reaction 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g), from the following data. 1.N2…

A: Solution :  Hess's Law The chemical reaction can be written as the addition of two or more steps and…

Q: Calculate the value of the equilibrium constant at 25°C for the reaction, 2N2O5(g) → 4NO2(g) + O2(g)…

A: EQUILIBRIUM CONSTANT At equilibrium, the value of the reaction quotient is called the equilibrium…

Q: redict the sign of ΔS ̊ for the combustion of 1-propanol and justify your prediction. Would you…

A: Introduction: Gibbs free energy determine the maximum amount of work done in the system at constant…

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: Calculate the ΔS°rxn of the following reaction at 215°C and standard pressure. C2H4 (g)+302…

A: The values of standard entropy – C2H4 = 219.5 J/mol.K O2 = 205 J/mol.K CO2 = 213.6 J/mol.K H2O =…

Q: When 0.783 g of benzoic acid, C7H6O2 (122.12 g/mol) is burned in a bomb calorimeter, the temperature…

A: Given , mass of benzoic acid = 0.783 g

Q: Classify each statement as true or false.

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Q: Determine the sign of ΔSsys for the following chemical reactions without doing any calculations.  d)…

A: The objective of the question is to determine the sign of the change in entropy (ΔSsys) for the…

Q: For a reaction, the value of the equilibrium constant Kc is 0.0150, at 300oC. Determine the value of…

A: ∆G°=-RTlnKc  R=8.314JK-1mol-1