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Chemistry
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ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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If a particular reaction has ΔrH = +30 kJ mol–1 and ΔrS = –60 J K–1mol–1, when do you expect the reaction to be spontaneous
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- Consider the oxidation of a generic metal M into a metal oxide as shown in the reaction. 2 M(s) +20₂(g) → M₂O4(s) For this reaction, AH = -4.961 kJ/mol and AS ixn = 12.12 J/(mol-K) at 298 K. What is the standard change in Gibbs free energy for the reaction in the forward direction? AGixn= What is the equilibrium constant of this reaction at 298 K? Kp = What is the equilibrium pressure of O₂(g) over M(s) at 298 K? MacBook Pro tyne URI + kJ/mol Oarrow_forwardA reaction has values ΔS = 60.3 J K-1 mol-1 and ΔH = 49.6 kJ mol-1. At what temperature (in °C) will this reaction become spontaneous?arrow_forwardFor a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction N₂(g) + 3 H₂(g) ⇒ 2NH₂(g) the standard change in Gibbs free energy is AG° = −32.8 kJ/mol. What is AG for this reaction at 298 K when the partial pressures are PN₂ = 0.100 atm, PH₂ = 0.100 atm, and PNH₂ = 0.750 atm? AG = 737 kJ/molarrow_forward
- For a certain chemical reaction, the standard Gibbs free energy of reaction is 129. kJ . Calculate the temperature at which the equilibrium constant K = ×6.010−25 .Round your answer to the nearest degree.arrow_forwardConsider the oxidation of a generic metal M into a metal oxide as shown in the reaction. 3 2 M(s) + 0,(g) → M,O,(s) For this reaction, AHan -4.811 kJ/mol and ASirn = 12.06 J/(mol·K) at 298 K. What is the standard change in Gibbs free energy for the reaction in the forward direction? AGixn kJ/mol What is the equilibrium constant of this reaction at 298 K? Kp What is the equilibrium pressure of O,(g) over M(s) at 298 K? Ро, atmarrow_forwardDetermine the molar ΔH°solution for a soluble ionic compound when the dissolution of 0.171 moles of that compound leads to a 12.9 °C temperature increase in a constant pressure calorimeter. The heat capacity of the calorimeter is 1.120 kJ/℃.arrow_forward
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