the rate of reaction

What is the rate of reaction

The speed at which reactants turn into products

What are the two ways in which you can measure the mean/average rate of reaction

How fast the reactants are used up or how fast the products are being formed

What are the equations for mean rate of reaction

Rate of reaction = quantity of products formed/time taken(s)

Rate of reaction= quantity of reactants used/time taken (s)

Quantity of products formed in cm3 for gas g- for solid/liquid

Interpret these graphs

Initially fast reaction because it’s making a lot of products in a short amount of time because we have a large number of reacting molecules so there’s lots of reacting to form products,

the line becomes less steep because the reaction is slowing down and the rate of reaction is decreasing. This is because lots of reactant molecules have already reacted and turned into products. This means there are fewer reactant mol to react.

At end the slope plateaus this tells us the reaction has stopped because all the reactive molecules have reacted

1st graph same thing initial fast rate , then slows down and then reactions stops

Reaction profile diagrams