jee_main_2025_24_jan_morning - Chemical Thermodynamics Topics

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QUESTION #33 Spontaneity and Gibbs Energy Change
Let us consider an endothermic reaction which is non-spontaneous at the freezing point of water. However, the reaction is spontaneous at boiling point of water. Choose the correct option.
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QUESTION #47 Gibbs Free Energy and Equilibrium Temperature
Standard entropies of X₂, Y₂ and XY₅ are 70, 50 and 110 ~J ~K⁻¹ ~mol⁻¹ respectively. The temperature in Kelvin at which the reaction (1)/(2) X _ 2 + (5)/(2) Y _ 2 arrow X Y _ 5 Δ H ^ ° = - 3 5 k J m o l ^ - 1 will be at equilibrium is (Nearest integer)
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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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