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. 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

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Q: a) Calculate AGxn for the reaction (AHrxn=572 kJ; ASrxn° = 179 J/K).

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Q: Consider the table of Standard Thermodynamic Quantities for Selected Substances at 25°C. Substance…

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Q: CaCO3(s) → CaO(s)+CO2(g)CaCO3(s) → CaO(s)+CO2(g)      Calculate the value of the equilibrium…

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Q: free

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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: 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: If Keq for the reaction below at 225°C is 1.87 x 1010, calculate ΔS°rxn. B2 (g)  +  2 A (g)  →  2…

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Q: (a) For the following reactions, using the provided AH and AS data, determine whether each one would…

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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: Calculate the standard free energy change (kJ/mol) for the reaction shown at a temperature of 298.15…

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Q: Use the information given below to calculate the standard reaction free energy, ΔG°rxn (in kJ), for…

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Q: A chemist fills a reaction vessel with 6.56 atm methanol (CH3OH) gas, 5.57 atm oxygen (O₂) gas, 3.98…

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Q: 2 A (g) + B (g) -> 2 C (s) ΔHº = ‒75.0 kJ ΔSº = ‒150.0 J/K ΔGº= -30.3 kJ iv. 0.100 atm of A,…

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Q: Determine the ΔS0rxn of the reaction below:    N2H4(l) + N2O4(g) → N2(g) + H2O(g) ΔS0f (J/K)…

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Q: 25 ∘C the reaction from Part A has a composition as shown in the table below.     Substance…

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

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