Speed of Reaction

Speed of Reaction Content Collision Theory Temperature Particle Size - Smaller particle size results in greater surface area - Increased frequency of effective collisions between reacting particles - Rate of reaction increases Pressure (Gas)/Concentration - number of reacting particles per unit volume increase - greater frequency of effective collisions - Greater rate of reaction Catalyst How is the rate of reaction measured? Rate of change of volume of gas collected The graph would be something like this - Rate of reaction decreases after some time as the reaction proceeds as the concentration of reactants decrease

Rate of change of mass The graph will look like this - Rate of reaction decreases after some time as the reaction proceeds as the concentration of reactants decrease