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°…

Q: Hydrogen reacts with nitrogen to form ammonia (NH3) according to the following reaction: 3 H2 (g) +…

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Q: Consider the following reaction: 2 NO(g)  N2(g) + O2(g) The enthalpy change at 298 K for this…

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Q: 1. Given that A,H° = –2219 kJ/mol-rxn and that A, S° = -216 J/K · mol-rxn at 25 °C, determine the…

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Q: Calculate ∆Gº for the reaction, 2C2H6(g)+5O2(g)→4CO(g)+6H2O(g), given ∆Gºf for C2H6(g)=-32.9 kJ/mol,…

A: 2C2H6(g)  +  5O2(g)  →  4CO(g)  +  6H2O(g) ∆Gºf for C2H6(g)=-32.9 kJ/mol, ∆Gºf for CO(g)=-137.2…

Q: Determine ΔH°rxn at 25 °C for the reaction 2 NOCl(g) → N2(g) + O2(g) + Cl2(g) given that the…

A: Given, balanced chemical reaction as follows,2 NOCl(g) → N2(g) + O2(g) + Cl2(g)standard heat of…

Q: The reaction                         2 NO(g)   ⇆  N2O4(g) occurs at 25oC under standard state…

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

A: Given reaction: 3NO (g) → NO2(g) + N2O (g) Given: ∆G∘f(NO2)= 51.84 KJ/mol ∆G∘f(N2O) = 103.59 KJ/mol…

Q: Consider the following reaction at 25 °C: 3 Ni(s) + N,(g) + 3 H,0(g) → 3 NiO(s) + 2 NH,(g) Given the…

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

A: Calculate the ΔH for the following reactions:

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

A: The given problem can be solved by using the formula given below as; ∆G°=ΣStandard free energy of…

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

A: Given,

Q: FeO

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

Q: What is the entropy change (in J/K) associated with the formation of 15.0 g of SO2 for the reaction…

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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) +…

A: Interpretation: The given reaction is spontaneous at room temperature or not is to be determined. At…

Q: 2 Ag20(s) → 4 Ag(s) + O2(g) Thermodynamic data are given below. 2 Ag20(s) → 4 Ag(s) + 02(g)…

A: NO, decomposition of silver (I) Oxide is not favored at 25 deg C.

Q: For a particular reaction at 148.1 °C, Δ?=−1428.51 kJ, and         Δ?=393.69 J/K  .  Calculate Δ?…

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Q: Calculate the standard free-energy change for the formation of NO(g) from N2(g) and 02(g) at 298 K:…

A: Given:

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)…

A: Reverse of first reaction and and it will second equation and divide by 2 equation so we can that…

Q: Сalculate ∆H° for the reaction: N2O(g) + 1/2 O2(g) → 2NO(g)

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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)…

A: You have asked multiple type questions, we will solve only first  questions for you. If you want any…

Q: At what temperature does the following reaction become spontaneous?  Is it spontaneous below this…

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Q: The following is known as the thermite reaction:2 Al(s) + Fe2O3(s)-----> Al2O3(s) + 2 Fe(s)This…

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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: Consider the table. Metal Tm (K) ΔHfus (kJ/mol) Tb (K) ΔHvap (kJ/mol) LiLi 454 2.99 1615 134.7…

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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…

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

Q: When 10.00 grams of NH4CN (s) is dissolved in 120.0 grams of water inside a perfect calorimeter, the…

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Q: Consider the following reaction at 25 °C: 3 Ni(s) + N,(g) + 3 H,O(g) → 3 NiO(s) + 2 NH,(g) Given the…

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Q: What is the lowest temperature at which the reaction of C(s) with H2O(g) to produce H2(g) and CO(g)?…

A: The lowest temperature would be 981..3153°C.

Q: A 80.0 mL sample of 0.300 M aqueous hydrochloric acid is added to 80.0 mL of 0.300 M aqueous ammonia…

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Q: Calculate ΔGo for the following reaction given the following thermodynamic properties at 25oC:…

A: Since, From Gibbs-Helm Holtz equation, ∆G° = ∆H° - T∆S° Thus,

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Q: Choose the reaction that illustrates ΔH°f for Mg(NO2)2. Choose the reaction that illustrates ΔH°f…

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Q: Which reaction(s) will be spontaneous at all temperatures? : 4NH3(g) + O2(g) → 2N2(g) + 6H2O(g) ΔrH…

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Q: Species So NH3 111.3 O2 205.0 CH4 186.1 HCN…

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Q: 4NH3(g) + 3O2(g) → 2N2(g) + 6H2O(g)     ΔrH = -1267 kJ mol-1 For the reaction above, select the…

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