38. Which of the following statements is TRUE for the reaction Fe2(HPO4)3(5) →2 Fe3+(aq) ?+ 3 HPO4 (aq)2.The entropy of the reaction is negative at all temperatures.O The reaction has zero entropy since elements should have zero entropy values.O The entropy of the reaction may be positive or negative depending on the temperature.O The entropy of the reaction is positive at all temperatures.

Entropy is degree of randomness or disorderness. As we know, order of Entropy is Solid <…

the reaction is negative at all temperatures. as zero entropy since elements should have zero entropy values. f the reaction may be positive or negative depending on the tempera f the reaction is positive at all temperatures.

the reaction is negative at all temperatures. as zero entropy since elements should have zero entropy values. f the reaction may be positive or negative depending on the tempera f the reaction is positive at all temperatures.

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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A reaction with a ____________ AH and a AS will never be spontaneous. O positive, negative O positive, positive O negative, negative O negative, positive it is impossible to predict without knowing the temperature T in Kelvin.
2. Define and give an example: Spontaneous, exergonic 3. Define and give an example: Non-spontaneous, endergonic
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TRUE OR FASLE Entropy increases from solid to liquid to gas.
Classify each of the statements as true or false. False Truc An exothermic reaction is always spontaneous. The entropy ofa substance increases when a solid melts into a liquid at any temperature. Product formation is never favored in a reaction with a negative AH and a positive AS. For an endothermic reaction, a decrease in temperature results in a decrease in the equilibrium constant. A reaction will have an equilibrium constant that is less than one if AG" for the reaction is positive. Entropy increases as the temperature decreases. Answer Bank 2°C Mostly cloudy A a ENG 01/0
4. Select the INCORRECT description about internal energy. * 1 poin O A. Absolute internal energy can be measured O B. Internal energy is the total energy of the system. O C. Internal energy of a system can be changed as work or heat. D. Internal energy is the sum of all kinetic and potential energies of all components in the system. 1 poim 5. Select the TRUE statement regarding a spontaneous reaction. A. Entropy equals to zero. B. Occurs at vacuum condition.
Please answer question A and B.
if the enthalpy change is negative and the entropy change is positive this reaction would be a) spontaneous at all temperatures b) spontaneous at high temperatures only c) nonspontaneous at all temperatures d) spontaneous at low temperatures only
A Moving to another question will save this response. Question 11 A reaction has an equilibrium constant (K) of 58.2. If the entropy of this reaction is-36.7 J/mol"K at a temperature of 317 K, what is the enthalpy of this reaction in kJ/mol? Report your answer to one decimal place. If your answer is negative, make sure to input a negative sign (-). Moving to another question wvill save this response. lyp 144 &
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.