In which case must a reaction be spontaneous at all temperatures?
Question 9 options:
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ΔH is negative, ΔS is positive |
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ΔH is positive, ΔS is positive |
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ΔS = 0, ΔH is positive |
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ΔH = 0, ΔS is negative. |
I got the first choice, is it right?
In which case must a reaction be spontaneous at all temperatures? Question 9 options: ΔH is...
Consider a reaction that has a negative ΔH and a positive ΔS. Which of the following statements is TRUE? This reaction will be spontaneous only at low temperatures. This reaction will be nonspontaneous at all temperatures. This reaction will be spontaneous at all temperatures. This reaction will be spontaneous only at high temperatures.
Consider a reaction that has a positive ΔH and a negative ΔS. Which of the following statements is TRUE? This reaction will be spontaneous only at high temperatures. This reaction will be nonspontaneous at all temperatures. This reaction will be nonspontaneous only at high temperatures. This reaction will be spontaneous at all temperatures.
A certain reaction has positive values for both ΔH and ΔS. Therefore, the reaction a. can be spontaneous if the temperature is low enough. b. Cannot be spontaneous at any temperature. c. must be spontaneous at all temperatures. d. can be spontaneous if the temperature is high enough. e. has a positive free energy at any temperature.
Consider a reaction that has a negative ΔH and a negative ΔS. Which of the following statements is TRUE? A)This reaction will be spontaneous only at high temperatures. B)This reaction will be nonspontaneous at all temperatures. C)This reaction will be nonspontaneous only at high temperatures. D)This reaction will be spontaneous at all temperatures. E) It is not possible to determine without more information.
Consider a reaction that has a positive ΔH and a positive ΔS. Which of the following statements is TRUE? A)This reaction will be nonspontaneous only at high temperatures. B)This reaction will be nonspontaneous at all temperatures. C)This reaction will be spontaneous at all temperatures. D)This reaction will be spontaneous only at high temperatures. E)It is not possible to determine without more information.
Consider a reaction that has a negative ΔH and a negative ΔS. Which of the following statements is TRUE? A)This reaction will be nonspontaneous only at low temperatures. B)This reaction will be spontaneous only at low temperatures. C)This reaction will be spontaneous at all temperatures. D)This reaction will be nonspontaneous at all temperatures. E)It is not possible to determine without more information.
Consider a reaction for which ΔH = 6.03 kJ/mol; ΔS = 22.1 J/K-mol. Which of the following statements is true? a. The reaction becomes spontaneous at high temperatures above 273 K b. The reaction becomes spontaneous at low temperatures below 273 K c. The reaction is spontaneous at all temperatures d. The reaction is never spontaneous
Given which of the following sets of thermodynamic parameters is a reaction spontaneous only at higher temperatures? A) ΔH < 0 and ΔS < 0 B) ΔH < 0 and ΔS > 0 C) ΔH > 0 and ΔS > 0 D) ΔH > 0 and ΔS < 0 ---------------------------------------------------------------------------------------------------------------------------- A galvanic cell is constructed using a zinc electrode immersed in a 1.0 M Zn2+ solution and a silver electrode immersed in a 1.0 M Ag+ solution. What is the...
36 5 points For which of the following conditions will a reaction be non-spontaneous at All temperatures? O A reaction cannot be non-spontaneous at all temperatures. O AH is negative, AS is positive O AH is positive, AS is positive AH is positive, AS is negative O AH is negative, AS is negative Previous
Under which of the following conditions is a process spontaneous at high temperatures and nonspontaneous at low temperatures? Select the correct answer below: O AH and AS are both positive O AH and AS are both negative O ΔH is positive and Δ.S is negative O AH is negative and AS is positive