Rates of Reaction 0.0 / 5 ? ChemistryRatesASOCR Created by: amazingemilyjonesCreated on: 11-03-17 18:27 Factors which alter rate of reaction Concentration, pressure, temperature, surface area and catalysts 1 of 7 Catalyst Increases the rate of reaction without being used up itself by providing an alternative reaction route with a lower activation energy 2 of 7 Homogeneous In the same phase (state) 3 of 7 In a Boltzmann distribution, why must the curve start at the origin? No molecules have no energy 4 of 7 What is significant about the area of the curve beyond the line marked Ea? Only molecules in this area are able to react 5 of 7 How does increasing temperature affect the Boltzmann distribution? The peak moves lower and to the right, with the same area under the curve 6 of 7 How to show the effect of a catalyst on a Boltzmann distribution Draw a new line markes Ec to the left of the Ea line 7 of 7
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