The AG of the reaction A+B--> C+D is +5 kcal/mol. The AG of the reaction D+E--> F+B is -15 kcal/mol. Which of the following statements about the coupled reaction A+ E- ->C+F is true? in the absence of information about the change in entropy, it is impossible to say if it is exergonic or endergonic it is endergonic it is exergonic it will occur very slowly because it has a high activation energy Next

The AG of the reaction A+B--> C+D is +5 kcal/mol. The AG of the reaction D+E--> F+B is -15 kcal/mol. Which of the following statements about the coupled reaction A+ E- ->C+F is true? in the absence of information about the change in entropy, it is impossible to say if it is exergonic or endergonic it is endergonic it is exergonic it will occur very slowly because it has a high activation energy Next

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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reg # 3 [Review Topics] [References] Use the References to access important values if needed for this question. Consider the following system at equilibrium where AH = 108 kJ, and K. = 1.29 × 10-2, at 600 K: COC1₂ (g) CO(g) + Cl₂ (g) E 20 If the temperature on the equilibrium system is suddenly increased: The value of Ke D Oincreases Odecreases O remains the same The value of Qc Ols less than Ke Ois greater than K O is equal to Ke The reaction must Orun in the forward direction to reestablish equilibrium Orun in the reverse direction to reestablish equilibrium O remain in the current position, since it is already at equilibrium The concentration of Cl₂ will Oincrease Odecrease Oremain the same Submit Ans Show Hint $ 4 000 000 F4 R F % 5 T ry Entire Group Cengage Learning | Cengage Technical Support G A 6 9 more group attempts remaining MacBook Air Y H & 7 U * 00 8 ( 9 K O -0 ) F10 P 4) F11 Previous + 11 Next> Save and Ex A
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The Kp for 3A(g) + 4B(g) = 2C(g) + 3D(s) is 4.90 x 10-4 at 300C. Determine the Kc for this reaction at the same temperature.
[Review Topics] [References] Use the References to access important values if needed for this question. Consider the following system at equilibrium where AH=-108 kJ, and K. 77.5, at 600 K. CO(g) + C,(g) COCI,(g) When 0.22 moles of Cl,(g) are added to the equilibrium system at constant temperature: The value of K The value of Qe K. The reaction must O run in the forward direction to restablish cquilibrium. O run in the reverse direction to restablish cquilibrium. O remain the same. It is already at cquilibrium. The concentration of CO will Submit Answer Retry Entire Group 1 more group attempt remaining
The conversion of glucose-6-phosphate to fructose-6-phosphate has a K'eg of 0.5. Based on that information, which of the following sets of changes in the terms of the Gibbs equation is correct? O AH°' negative AS" positive AG negative O AH positive AS' negative AG" positive O AH" positive AS" positive AG" negative O AH' negative AS' positive AG" positive
For which one of the following reactions is Kp equal to Kc? CaCO3(s) = CaO(s) + CO₂(g) 2NH3(g) = 3H₂(g) + N₂(g) 302(g) = 203(g) SnO2(s) + 2H₂(g) Sn(s) + 2H₂O(g) NH41(s) NH3(g) + HI(g)
[References] Use the References to access important values if needed for this question. Consider the following system at equilibrium where AH° = 16.1 kJ, and Kc = 6.50 x 10-3, at 298 K: 2NOBr(g) 2NO(g) + Br₂(g) If the VOLUME on the equilibrium system is suddenly increased at constant temperature: The value of Ke Oincreases O decreases O remains the same The value of Qc O is greater than Ke O is equal to Ke O is less than K The reaction must run in the forward direction to reestablish equilibrium. Orun in the reverse direction to reestablish equilibrium. Oremain the same. It is already at equilibrium. The number of moles of Br2 will O increase O decrease O remain the same Show Hint F5 6 H F6 & 7 KI F7 * 8 DII F8 ( 9 DD F9 ) O F10 P F11 Previous + Next Save and Exit F12 delete
[Review Topics] [References) Use the References to access important values if needed for this question. Consider the following system at equilibrium where AH° =-10.4 kJ/mol, and K. = 55.6 , at 698 K. H2 (g) + I2 (g)=2 HI (g) When 0.26 moles of HI (g) are added to the equilibrium system at constant temperature: The value of K. The value of Q. v Ke The reaction must Orun in the forward direction to restablish equilibrium. Orun in the reverse direction to restablish equilibrium. O remain the same. It is already at equilibrium. The concentration of I, will Submit Answer Retry Entire Group 9 more group attempts remaining (Previ ins prt sc delete fg f10 f12
11. What is the ΔHº-value for the dissolution of NaOH (s) to yield 1.00... m NaOH (aq), given: Na (s) + 1/2 O2 (g) + 1/2 H2 (g) → NaOH (s) ΔHfº = -425.9 kJ/mol Na (s) + 1/2 O2 (g) + 1/2 H2 (g) → NaOH (aq, 1 m) ΔHfº = -469.2 kJ/mol Multiple Choice -895.1 kJ/mol -43.3 kJ/mol +1.102 kJ/mol +43.3 kJ/mol +895.1 kJ/mol