a. Classify the reaction according to one of the following reaction types.CuO(s) + Ca(s) Cu(s) + CaO(s)A,H° = -477.8 kJ/mol-rxnA,S° = -11.0 J/K· mol-rxnO spontaneous at all temperaturesO spontaneous at lower temperaturesO spontaneous at higher temperaturesO not spontaneous at any temperatureb. Classify the reaction according to one of the following reaction types.H2 (g) + Cl2 (g) → 2 HCl(g)A,H° =-184.6 kJ/mol-rxnA.S° = 20.0 J/K · mol-rxnO spontaneous at all temperaturesO spontaneous at lower temperaturesspontaneous at higher temperaturesOnot spontaneous at any temperature

a) The reaction taking place along with the entropy change and enthalpy change is given as,

- Classify the reaction according to one of the following reaction types. CuO(s) + Ca(s) → Cu(s) + CaO(s) A,H° =-477.8 kJ/mol-rxn A,s' =-11.0 J/K · mol-rxn O spontaneous at all temperatures spontaneous at lower temperatures spontaneous at higher temperatures Onot spontaneous at any temperature . Classify the reaction according to one of the following reaction types. H2 (g) + Cl2 (g) → 2 HCl(g) A‚H° =-184.6 kJ/mol-rxn A;s' = 20.0 J/K · mol-rxn spontaneous at all temperatures O spontaneous at lower temperatures Ospontaneous at higher temperatures Onot spontaneous at any temperature

- Classify the reaction according to one of the following reaction types. CuO(s) + Ca(s) → Cu(s) + CaO(s) A,H° =-477.8 kJ/mol-rxn A,s' =-11.0 J/K · mol-rxn O spontaneous at all temperatures spontaneous at lower temperatures spontaneous at higher temperatures Onot spontaneous at any temperature . Classify the reaction according to one of the following reaction types. H2 (g) + Cl2 (g) → 2 HCl(g) A‚H° =-184.6 kJ/mol-rxn A;s' = 20.0 J/K · mol-rxn spontaneous at all temperatures O spontaneous at lower temperatures Ospontaneous at higher temperatures Onot spontaneous at any temperature

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Consider the following reaction; A(g) + B(g)→ c(s) + D(g); AHP = -164.1 kJ; AG = 159.1 kJ at 298 K The reaction is spontaneous at relatively low temperatures only O The reaction is spontaneous at relatively high temperatures only O The reaction is nonspontaneous at all temperatures. O The reaction is at equilibrium at 298 K O The reaction is spontaneous at all temperatures
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4. The standard free energy (AG°) for a reaction at 298 K is -104 J / mol. What is Keq for this reaction?
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Calculate standard free energy change using AGf values. Consider the reaction 2NH3(g) + 3N₂O(g)4N₂(g) + 3H₂O(g) Use standard free energies of formation to calculate the standard free energy change for this reaction at 25°C. kJ/mol AG° = rxn
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Use standard thermodynamic data to calculate G at 298.15 K for the following reaction, assuming that all gases have a pressure of 20.46 mm Hg.2NO(g) + O2(g)2NO2(g) G = ______kJ/mol
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For the reaction: CuS (s) + H₂(g) → H₂S (g) + Cu (s) Given: ΔS ⁰ (CuS) = 66.5 J/mole-K ΔHf ⁰ (CuS) = -53.1 kJ/mol ΔS ⁰ (H₂S) = 205 J/ mole-K ΔHf ⁰ (H₂S) = -20.6 kJ/mol ΔS ⁰ (Cu) = 33.3 J/ mole-K ΔH f ⁰ (Cu) = 0.0 kJ/mol ΔS ⁰ (H₂) = 131 J/ mole-K ΔH f ⁰(H₂) = 0.0 kJ/mol The standard free energy of the reaction ΔG ⁰ rxn is A) -37.9 kJ/mole B) 44.6 kJ/mole C) -20.3 kJ/mole D) +20.3kJ/mole and spontaneous E) +37.9 kJ/mole
Calculate AG° at 298 K for the reaction CS, (1) + 30,(g) –→ CO,(g) + 2 SO,(g) based on these reactions. C(s) + 0,(g) Co,(g) AG° = -397.28 kJ/mol S(s) + 0,(g) → so,(g) AG° = -300.19 kJ/mol C(s) +2 S(s) → CS,(1) Cs,(1) AG° = +62.37 kJ/mol AG° = kJ/mol
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