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JAMB Chemistry 2009 Question 25

Question 25

Energy Changes

C(s) + H2O(g) → H2(g) + CO(g)
ΔG for the reaction above at 1300K is −43KJ. At this temperature, the reaction is

  1. A.not feasible
  2. B.at equilibrium
  3. C.feasible
  4. D.exothermic
Show the answer and explanation

Answer: C (feasible)

Explanation

A negative ΔG means the reaction is spontaneous (feasible) at that temperature.