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Online Practice: The second law of thermodynamics: Spontaneity of processes, Delta S of the universe and Delta G of the system as criteria for spontaneity for JEE

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Q1ChemistryUnit 4: Chemical Thermodynamics

For a given reaction,

\boldsymbol{H}_{2} \boldsymbol{O}(l) \rightleftharpoons

H_{2} O(s) a t 0^{\circ} C

and 1 bar, which of the following is true?

Q2ChemistryUnit 4: Chemical Thermodynamics

Assertion Adsorption is exothermic and spontaneous inspite of the fact that adsorption is accompained with decrease in entropy. Reason The factor

T \Delta S

is lesser than

\Delta H

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