AQA Jan 2012 Paper 2 Q3

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do not write outside the box the diagram shows the maxwell boltzmann distribution of molecular energies in a gas at two different temperatures energy a one of the axes is labelled complete the diagram by labelling the other axis mark b state the effect if any of a solid catalyst on the shape of either of these distributions mark c in the box write the letter v w x or y that represents the most probable energy of the molecules at the lower temperature d explain what must happen for a reaction to occur between molecules of two different gases mark marks wmp jan chem do not write outside the box e explain why a small increase in temperature has a large effect on the initial rate of a reaction mark turn over for the next question turn over wmp jan chem

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