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Important Questions: 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, H2O(l)⇌\boldsymbol{H}_{2} \boldsymbol{O}(l) \rightleftharpoons H2O(s)at0∘CH_{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 TΔST \Delta S is lesser than ΔH\Delta H

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