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MHT CET202016 Oct 2020Evening ShiftChemistryThermodynamics (C)Actual

Equilibrium constant for a reaction is 20 . What is the value of G ^ at 300 ~K ? ( R =8 10⁻³ ~kJ )

Options

  1. A-5 527 ~kJ ~mol ⁻¹
  2. B-1 663 ~kJ ~mol ⁻¹
  3. C16 63 ~kJ ~mol ⁻¹
  4. D-2 763 ~kJ ~mol ⁻¹

Correct answer

B. -1 663 ~kJ ~mol ⁻¹

Step-by-step solution

(A) K =20, ~T =300 ~K , R =8 10⁻³ ~kJ ~K ⁻¹ ~mol ⁻¹ G⁰=-2.303 RT ₁₀ ~K aligned &=-2.303 8 10⁻³ 300 ₁₀(20) aligned

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