The standard Gibbs energy of the reaction 2 NO2(g) → N2O4(g) is −4.73 kJ mol−1 at 298 K. What is the value of ΔrG when Q = (i) 0.10, (ii) 1.0, (iii) 10, (iv) 100? Estimate (by interpolation) the value of K from the values you calculate. What is the actual value of K?

The standard Gibbs energy of the reaction 2 NO2(g) → N2O4(g) is −4.73 kJ mol−1 at 298 K. What is the value of ΔrG when Q = (i) 0.10, (ii) 1.0, (iii) 10, (iv) 100? Estimate (by interpolation) the value of K from the values you calculate. What is the actual value of K?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section: Chapter Questions

Problem 91QRT: Actually, the carbon in CO2(g) is thermodynamically unstable with respect to the carbon in calcium...

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Question

The standard Gibbs energy of the reaction 2 NO₂(g) → N₂O₄(g) is −4.73 kJ mol⁻¹ at 298 K. What is the value of Δ_rG when Q = (i) 0.10, (ii) 1.0, (iii) 10, (iv) 100? Estimate (by interpolation) the value of K from the values you calculate. What is the actual value of K?

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