Science - C3 - Rates of Reaction 0.0 / 5 ? Applied ScienceC3 - Rates of ReactionGCSEOCR Created by: chlo-smallmanCreated on: 19-02-14 14:00 What is rate of reaction? How much product is made in a fixed time. 1 of 6 The higher the temperature... The more successful the collisions between particles. 2 of 6 The higher the concentration... The higher the collision frequency of reacting particles. 3 of 6 What is a catalyst? They speed up the rate of reaction but remain unchanged at the end. 4 of 6 Fine powders are more COMBUSTIBLE... as they have a greater surface area exposed. 5 of 6 Increasing pressure increases rate of reaction as there are higher numbers of successful collisions. 6 of 6
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