17. If the change in free energy, AG isnegative, the reaction is spontaneous inthe forward direction.It is more convenient to use change inenthalpy, AH, as a criterion of spontaneitythan change inentropy, AS.A. both statementsare trueB.the 1st statementis false and the2nd is trueC. the 1st statementis true and the2nd is falseOD. both statementsare false

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7.If the change in free energy, AG is egative, the reaction is spontaneous in e forward direction. is more convenient to use change in hthalpy, AH, as a criterion of spontaneity an change in ntropy, AS. A. both statements are true B. the 1st statement is false and the 2nd is true C. the 1st statement is true and the 2nd is false both statements O C.

7.If the change in free energy, AG is egative, the reaction is spontaneous in e forward direction. is more convenient to use change in hthalpy, AH, as a criterion of spontaneity an change in ntropy, AS. A. both statements are true B. the 1st statement is false and the 2nd is true C. the 1st statement is true and the 2nd is false both statements O C.

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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1. answer question in pic pls
CHOICES: A. If both statements are true B. If the 1st statement is false and the 2nd is true C. If the 1st statement is true and the 2nd is false D. If both statements are false
Which of the following combinations of values for AH and AS for a given process, indicate that the process is spontaneous at all temperatures? A. O Both AH and AS are positive. B. O Both AH and AS are negative. C. O AH is positive and AS is negative. D. O AH is negative and AS is positive.
Which of the following sets of conditions must be true for a reaction that is thermodynamically favorable at alltemperatures? a. AH > 0, AS > o b. AH > 0, AS 0 d. AH < 0, AS < 0
owol-b amella si do tabl 24) A negative sign for AG indicates that, at constant temperature and pressure, A) the reaction must be fast. B) the reaction must be exothermic. C) AS must be greater than zero. D) the reaction must be endothermic. E) the reaction is spontaneous. brod
A cvg.cengagenow.com Flipgrid | 50ffc. GRLContent Netflix Favorites My Home 3-Day General.. Netflix Content [Review Topics] [References] 2req Use the References to access important values if needed for this question. 2req The free energy change for the following reaction at 25 °C, when [H*] = 7.21×10³ M and [Hg²*]=1.17 M, is 178 kJ: 2req 2H*(7.21×10-3 M) + Hg(1)→ H,(g) + Hg²*(1.17 M) AG= 178 kJ What is the cell potential for the reaction as written under these conditions? s 2req Answer: V ts 2req Would this reaction be spontaneous in the forward or the reverse direction? ots OM) pts 2reg Submit Answer Retry Entire Group 9 more group attempts remaining pts M) pts
A certain reaction has negative values for both AH and AS. Therefore, the reaction cannot be spontaneous at any temperature. must be spontaneous at all temperatures. can be spontaneous if the temperature is high enough. Ohas a positive free energy at any temperature. can be spontaneous if the temperature is low enough.
Chemistry Use the observations about each chemical reaction in the table below to AS. decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy Note: if you have not been given enough information to decide a sign, select the "unknown" option. reaction observations cenclusions AH is ick one This reaction is spontaneous only below -22. C. AS is eive AN is The reverse of this reaction is always spontaneous AS is pick one 8 AH is cene This reaction is exothermic AS is AS. Note: if you have not been given enough information to decide a sign, select the "unknown" o conclusions observations reaction ΔΗ is v (pick one) This reaction is spontaneous only below positive -22. °C. AS is negative unknown ΔΗ is (pick one) e The reverse of this reaction is always spontaneous. AS is (pick one) 6 ΔΗ is (pick one) e This reaction is exothermic. AS is (pick one) e reaction observations conclusions This reaction is spontaneous only below ΔΗ is (pick one) e A. - 22. °C. AS is…
Given that AH and AS for a reaction are both negative, the reaction will be O nonspontaneous at all temperatures. O spontaneous at all temperatures. O spontaneous at low temperatures and nonspontaneous at high temperatures. O nonspontaneous at low temperatures and spontaneous at high temperatures.
If the process is exothermic and not spontaneous, then what must be TRUE? O a. AS0 O c. AH=0 O d. AS> 0
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