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sign of AGO? Cu2O6) + 2 N a CI O4(a q) – 2 Cu CIO4la q) + N a20(a q) (endothermic) The reaction is non-spontaneous at all temperatures. The reaction is spontaneous at all temperatures. The reaction is spontaneous at low temperature and non-spontaneous at high temperature. O The reaction is non-spontaneous at low temperature and spontaneous at high temperature.

sign of AGO? Cu2O6) + 2 N a CI O4(a q) – 2 Cu CIO4la q) + N a20(a q) (endothermic) The reaction is non-spontaneous at all temperatures. The reaction is spontaneous at all temperatures. The reaction is spontaneous at low temperature and non-spontaneous at high temperature. O The reaction is non-spontaneous at low temperature and spontaneous at high temperature.

Chemistry
Chemistry
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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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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sign of AGO? Cu2O6) + 2 N a CI O4(a q) – 2 Cu CIO4la q) + N a20(a q) (endothermic) The reaction is non-spontaneous at all temperatures. The reaction is spontaneous at all temperatures. The reaction is spontaneous at low temperature and non-spontaneous at high temperature. O The reaction is non-spontaneous at low temperature and spontaneous at high temperature.
Transcribed Image Text:sign of AGO? Cu2O6) + 2 N a CI O4(a q) – 2 Cu CIO4la q) + N a20(a q) (endothermic) The reaction is non-spontaneous at all temperatures. The reaction is spontaneous at all temperatures. The reaction is spontaneous at low temperature and non-spontaneous at high temperature. O The reaction is non-spontaneous at low temperature and spontaneous at high temperature.
Expert Solution
Step 1

given reaction :

Cu2O(s)+2NaClO4(aq)→2CuClO4(aq)+Na2O(aq)  (endothermic)

endothermic reactions : reactions in which heat is absorb are called endothermic reactions .

for endothermic reaction : ∆H=+ve

here in this reaction state of change taking place from solid to aqueous , that means entropy is increasing and ∆S = +ve.

spontaneous reactions : reactions which has value of Gibbs free energy negative (∆G=-ve)

Step 2

formula for Gibbs free energy :

∆G=∆H-T∆S

conditions for this reaction :

∆H=+ve   ,   ∆S = +ve

for ∆G=-ve i.e for a spontaneous reaction everything depends on temperature here .

(i) at high temperature T∆S value is higher and ∆G is negative .hence at high temperature reaction is spontaneous .

(ii) at low temperature T∆S value is less and ∆G is positive ,hence at low temperature reaction is non-spontaneous .

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