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Chemical and Phase Equilibria · 2022

3 Chemistry questions from this IIT JAM paper
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Chemical and Phase Equilibria · 2022

3 Chemistry questions from this IIT JAM paper

  1. Q30.The standard Gibbs free energy change for the reaction H_{2}O (g) → H_{2} (g) + ½ O_{2} (g) at 2500 K is +118 kJ mol^{-1}. The equilibrium constant for the reaction is [Given: R = 8.314 J K^{-1} mol^{-1}]
    Chemistry · Chemical and Phase Equilibria · MCQ
  2. Q58.The pH of an aqueous buffer prepared using CH_{3}COOH and CH_{3}COO^{-}Na^{+} is 4.80. The quantity [CH3​COOH][CH3​COO−]−[CH3​COOH]​ is ​. *(round off to…
    Chemistry · Chemical and Phase Equilibria · Numerical
  3. Q59.At constant temperature, 6.40 g of a substance dissolved in 78 g of benzene decreases the vapor pressure of benzene from 0.125 atm to 0.119 atm. The molar mass of the substance is ​ g mol^{-1}. *(round off to one…
    Chemistry · Chemical and Phase Equilibria · Numerical