C3 0.0 / 5 ? Chemistryc3GCSEOCR Created by: Br00keBeauCreated on: 06-09-15 18:30 Collision Theory particles hit with activation energy= successful collision.the more kinetic energy= more collisions per/s 1 of 15 Collision Theory Concentration/pressure when you increase the concentration or pressure, more particles in a given space therefore more likely to collide 2 of 15 rate of reaction change divided by time 3 of 15 time measurement seconds 4 of 15 what is plataeu flat line on a graph showns stability 5 of 15 averages add all numbers divide by total amount of numbers 6 of 15 excess factor left over when limiting factor runs out, theres an excess 7 of 15 concentration amount of a substance per defined space.usually in terms of mass per unit volume. eg. g/cm3. 8 of 15 limiting factor runso out first in a chemical reaction 9 of 15 low temperature of reactants particles move slow,collide less not as successful reaction takes longer 10 of 15 high temperature of reactants particles move faster more energy, collide moe, reaction takes place faster 11 of 15 low concentration of reactants particles more spread out wont collide as often 12 of 15 high concentration of reactants particles close, collide more often 13 of 15 increase in concenration causes increase in number of particles in a specific space 14 of 15 mass of reactans and products equal because no atoms are gained or lost in a chemical reaction 15 of 15
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