**Problem 61:** For each reaction, calculate ΔH°_rxn, ΔS°_rxn, and ΔG°_rxn at 25 °C and state whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 °C? a. \( \text{N}_2\text{O}_4(g) \rightarrow 2 \text{NO}_2(g) \) b. \( \text{NH}_4\text{Cl}(s) \rightarrow \text{HCl}(g) + \text{NH}_3(g) \) c. \( 3 \text{H}_2(g) + \text{Fe}_2\text{O}_3(s) \rightarrow 2 \text{Fe}(s) + 3 \text{H}_2\text{O}(g) \) d. \( \text{N}_2(g) + 3 \text{H}_2(g) \rightarrow 2 \text{NH}_3(g) \) **Instructions:** - Calculate the enthalpy change (ΔH°_rxn) for each reaction.- Calculate the entropy change (ΔS°_rxn) for each reaction.- Calculate the Gibbs free energy change (ΔG°_rxn) at 25 °C for each reaction.- Determine if each reaction is spontaneous under standard conditions at 25 °C.- For non-spontaneous reactions, assess if a temperature change could facilitate spontaneity and recommend whether the temperature should be raised or lowered.

a. The reaction: N₂O₄(g) → 2 NO₂(g) Standard enthalpies of formation: N₂O₄(g): Hf =…

For each reaction, calculate AHrn, ASn, and AGxn at 25 °C and state whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 °C? a. N2O4(8) – 2 NO2(g) b. NH4C1(s) c. 3 H2(8) + Fe2O3(s) → 2 Fe(s) + 3 H2O(8) d. N2(8) + 3 H2(8) 0.25 HCl(8) + NH3(8) - | 2 NH3(8) HO

For each reaction, calculate AHrn, ASn, and AGxn at 25 °C and state whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 °C? a. N2O4(8) – 2 NO2(g) b. NH4C1(s) c. 3 H2(8) + Fe2O3(s) → 2 Fe(s) + 3 H2O(8) d. N2(8) + 3 H2(8) 0.25 HCl(8) + NH3(8) - | 2 NH3(8) HO

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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13)The reaction 2NOBr(g) → 2NO(g) + Br₂(g) has AG° = 6.28 kJ. a. Calculate Q when [NOBr] = 0.15 M, [NO] = 0.096 M, and [Br₂] = 0.081 M. b. Calculate AG for the reaction at 150°C. c. Is this reaction spontaneous or non-spontaneous under these conditions? Scanned with CamScanner
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For each reaction, calculate ΔH°rxn, ΔS°rxn, and ΔG°rxn at 25 °C and state whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 °C?a. 2 CH4( g)------->C2H6( g) + H2( g)b. 2 NH3( g)------> N2H4( g) + H2( g)c. N2( g) + O2( g)-------->2 NO( g)d. 2 KClO3(s)-------->2 KCl(s) + 3 O2( g)
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