O-LevelChemistryRates of Reaction5070/11 · May/June 2013 · Q161 Mark

The usual conditions for the Haber process are 250 atm pressure, 450°C and an iron catalyst. Which change in conditions would give the reactants more energy?

Aaddition of more catalyst

Bdecrease in pressure

Can increase in concentration of the reactants

Dan increase in temperature

✓ Correct answer

D: an increase in temperature

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Topic: Rates of Reaction, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2013 Paper 1 Variant 1, question 16.

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