←Monitoring and controlling chemical reactions
From Paper 4, Higher
Use collision theory to explain why increasing temperature increases the rate of reaction.
From Paper 4, Higher
Explain what is meant by dynamic equilibrium.
From Paper 4, Higher
60 cm³ of gas was collected in 30 s. Calculate the mean rate of reaction.
From Paper 4, Higher
N₂ + 3H₂ ⇌ 2NH₃ (forward reaction exothermic). Explain the effect on the yield of ammonia of increasing pressure and increasing temperature.
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This paper is written by Plasmo in the style of the OCR GCSE Chemistry exam. It is not a past paper and is not produced or endorsed by the exam board.