IOM 2018, Блиц, английски — Задача 64

OLYMPIAD OF METROPOLISES. Moscow, September 3 · 3 септември 2018 г.

Условие

The table below gives the values of standard Gibbs energy ΔG\Delta G for a certain reaction at various temperatures. Choose all the correct statements about this reaction.

Temperature, K298350400
ΔG\Delta G, kJ/mol40.430.020.0
  1. The standard entropy change of the reaction is negative.
  2. The standard entropy change of the reaction is positive.
  3. At higher temperatures, the reaction becomes less spontaneous.
  4. The standard enthalpy change of the reaction is positive.

Отговори

Решение


Оригинал в Архива: blitz.pdf · официални решения: blitz-answers.pdf