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Successful collisions require suitable energy - Paper 1
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
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Supplied gas-volume model: equal masses of the same solid react with the same amount and concentration of a second reactant at equal temperature. At 10 s, large pieces give 12 cm^3 gas and powder gives 18 cm^3. Both eventually give 36 cm^3. Start volume is zero. Analyse data only; no chemical experiment is requested.
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