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JEE 2022 | Thermodynamics-4
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Question 1
Predict which of the following reaction(s) has a positive entropy change?
I.
II.
III.
Question 2
When two mole of an ideal gas heated from 300 K to 600 K at constant pressure. The change in entropy of gas (ΔS) is :
Question 3
In previous problem if expansion is carried out freely (Pext = 0)5 then ΔS is:
Question 4
When one mole of an ideal gas is compressed to half of its initial volume and simultaneously heated to twice its initial temperature, the change in entropy of gas (ΔS) is :
Question 5
Calculate standard entropy change in the reaction
Given : S°m (Fe2O3,S) = 87.4, Sm0 (Fe, S) =27.3,
Sm0 (H2, g) =130.7, Sm0 (H2O, l) = 69.95JK-1mol-1
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Mar 6JEE & BITSAT