5. When the reaction conditions match the biochemical standard states, the values ofandwill be equal.AG: AGO AG; AGO AG°; AGO AG; AG6. Thedetermines the rate constant, whiledetermines the favorability of a reaction under standard conditions.O AG: AGO AG: AGO. AG; AG+O AG: AG

5. The feasibility of a chemical reaction can be determined by the Gibbs free energy change, ∆G of a…

Answered: 5. When the reaction conditions match…

5. When the reaction conditions match the biochemical standard states, the values of and will be equal. O AG; AG° O AG; AG O AG°: AG O AG; AG

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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(H2 ) →(12 ) +( 2HI) (AS = 82.4 J/K ),(AH = 25.9 KJ/K ) %3D %3D Calculate AG for this reaction at 25 C°
MISSED THIS? Read Section 19.8 (Pages 871-877); Watch IWE 19.6. Liquid methanol burns in oxygen to form gaseous carbon dioxide and gaseous water. Substance H (kJ/mol) S° (J/(mol · K)) CH, OH (1) -238.6 126.8 O₂(g) 0 205.2 CO₂(g) -393.5 213.8 CO2(aq) -413.8 117.6 H₂O(g) -241.8 188.8 H₂O(1) -187.8 70.0 ▼ Part D where no represents the stoichiometric coefficients of the products, n, represents the st of the reactants, and Sº represents the standard entropies. AGxn= Calculate AG at 25°C. Express your answer in kilojoules to three significant figures. Submit = Provide Feedback 15] ΑΣΦ Request Answer Part E Complete previous part(s) [2(S° co₂(g)) + 4(S° H₂O(g))]- [2(S° CH₂OH()) + 3(S° 0₂(E [2(213.8 J/K)+4(188.8 J/K)] - [2(126.8 J/K) + 3(2 314 J/K MacBook Pro P Pearson ? kJ Copyright © 2023 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions Contac
a) For a reaction with AH = -152.6 kJ mol-¹ and AS°= -543.8 J K-¹ mol-¹ at 25 °C, how will AGº change if the reaction temperature is increased? Explain your answer. b) Calculate the equilibrium constant for the reaction at 80 °C, showing your working (assume AH and AS° are temperature independent).
The reaction between iron and thiocyanate ions involves this equation: Fe3+ (aq) + ScN" (aq) = FESCN2+ (aq) AH (-) kJ/mol (yellow) (colorless) (red) Match the observation with the given condition: A few drops of 1M Fe(NO3)3 has been added A. The red color of the solution intensifies. B. Yellow solution Three drops of 0.01 M AGNO3 has been added C. Colorless solution v A few drops of 0.5 M K3PO4 has been added D. The color of the solution faded to orange and yellow ppt has been observed v The system has been subjected to a boiling water bath E. turns to a more intense red color v The system has been subjected in an ice bath
Calculate AG° for the reaction shown below using the provided thermodynamic properties information. H2O2 (1) → 2 H2O () + O2 (g) Substance AH°; (kJ/mol) AS° (J/(mol•K)) H2O2 (1) - 187.8 232.9 H20 (1) -285.83 69.91 O2 (g) 205.0 -396.4 kJ/mol -350.5 kJ/mol -33.70 kJ/mol -1105 kJ/mol -417.2 kJ/mol
Given the dissociation of methane to graphite (C) and hydrogen gas. For the methane at 298K, Given the following data: kJ = -74.85- mol = -80.67 mol · K A,GE.graphite = A,Gån = 0 %3D Solve the following: a. Calculate the equilibrium constant (K) of the dissociation of methane at 298K with the appropriate units. b. Assuming that enthalpy is independent of temperature, Calculate the equilibrium constant (K) of methane dissociation at 1000 K. C. Calculate the ratio between the amounts of methane and hydrogen gas at 298 K and 0.2 bar.
18. Given the AG°S for the reactions, calculate Ks. Values given for 298 K AG° -560.3 kJ 2 H2(g) a. CH4(g)+2 F2(g) 4(g) 2 NO)Cl2(g) 2 SO3() AG° +40.8 kJ b. 2 NOC (g) AG° = -140.0 kJ c. 2 SO2(g) O2(g)
Determine AG (in kJ) for the following reaction at 325 K when the concentrations of the species are as follows: NO₂= 10.00 M, N₂O4 = 14.3 M. AG°f (NO₂) = 51 kJ/mol, AG (N₂O4) = 97.7 kJ/mol. 2 NO2(8) N₂O4(8)
Carbon dioxide dissolves in water to form carbonic acid. Estimate the thermodynamic equilibrium constant for this reaction using the AG; values in the table. Substance AG; (kJ/mol) H,CO, (aq) -616.1 H,O(1) -237.1 CO,(g) -394.4 K = Carbonic acid then ionizes in water (K = 4.5 x 10-7). Ignoring K2, estimate K for the overall process by which CO, and H,O form H* and HCO,. K = What is the pressure of CO, in equilibrium with carbonated water at 25 °C and pH = 4.78? Роо, atm
Calculate AG° and K, at 25 °C for the reaction 2 CO(g) + O2(g)→2 CO2(g) Is the reaction product-favored or reactant-favored under standard conditions? Thermodynamic Data: G'r (kJ/mol) Species CO(g) CO2(g) -137.17 -394.36 AG° = kJ/mol K, = O product-favored O reactant-favored