Calculate the standard free-energy changes for the following reactions at 25°C. CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) 2MgO(s) → 2Mg(s) + O2(g)   Inorganic Substances Substance ΔHo (kJ/mol) f ΔGo (kJ/mol) f So (J/K·mol) CO(g) -110.5 -137.3 197.9 CO2(g) -393.5 -394.4 213.6 H2(g) 0 0 131.0 H2O(l) -285.8 -237.2 69.9 O2(g) 0 0 205.0 Organic Substances CH4(g) -74.85 -50.8 186.2 Mg(s) 0 0 32.5 MgO(s) -601.8 569.6 26.78

Q: Use the table below to answer the questions that follow. Thermodynamic Quantities for Selected…

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Q: Calculate ΔrH° for the combustion of methane gas, CH4 : CH4(g)  +   2 O2(g)  →   CO2(g)  +  2…

A: Given  CH4(g)  +   2 O2(g)  →   CO2(g)  +  2 H2O(g) molecule                                  ΔfH°…

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Q: Consider the reaction 3NO (g) → NO2(g) + N2O (g) a. Using a thermodynamic data table, calculate Go…

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Q: Calculate the ΔH for the following reactions:  A- Mg (s) + C (s, graphite) + 3/2 O2 (g) > MgCO3 (s)…

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Q: Given the values of ΔGfo given below in kJ/mol, calculate the value of ΔGo in kJ for the reaction:…

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Q: Consider the following reaction at 25 °C: 3 Ni(s) + N2(g) + 3 H20(g) → 3 NiO(s) + 2 NH3(g) Given the…

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Q: FeO

A: ∆H°rxn = [ ∆H°f(Fe2O3) ] - [ ∆H°f(FeO) + ∆H°f(Fe) + ∆H°f(O2) ]  ∆H°rxn = [ -822.16 kJmol-1 ] - […

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Q: The addition of 121  g potassium fluoride to 591  mL of water (d = 1.00 g/mL) causes the temperature…

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Q: Is the following reaction spontaneous at room temperature (25.0 °C) ? 2 H2S(g) + 3 O2(g) 2 SO2(g) +…

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Q: Calculate ΔG rxn for the following reaction at 639.2 K if the reaction below has a ΔH o rxn of…

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Q: Calculate ΔH for the following reaction: PCl3 (l) +  Cl2 (g)  → PCl5 (s) given the following: 1)…

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Q: Consider the following half-reactions: F2(g) + 2 e ® 2 F(aq) E° = +2.87 V Cu2+(aq) + 2 e ® Cu(s)…

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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: Consider the following reaction at 25 °C: 3 Ni(s) + N2(g) + 3 H2O(g) → 3 NiO(s) + 2 NH:(g) Given the…

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Q: Given these values, ΔHorxn = +75 kJ; ΔSorxn = +120 J/K; T = 298 K; calculatethe free energy change…

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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…

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