C8.1 Rate of Reaction

Rate of reaction refers to how ​ (a)   a reaction takes place. A higher rate of reaction, means the reaction takes place ​ (b)  

• quickly
• quicker
• slower
• much

Which practical would give you the following units?

• Time taken to go cloudy

• cm³/s

• Volume of gas produced

• g/min

• Volume of gas lost (mass loss)

• seconds

100g of magnesium is used in 5 minutes. What is the rate of reaction in g/min?

Mathematical Equivalence

ON

The rate of reaction can be seen by the _______________of the line

A higher rate of reaction will have a ​ (a)   gradient on a graph

• steeper
• less steep
• flat

Which line shows the higher rate of reaction?

Which line shows the lower rate of reaction?

On the green line, which spot shows the highest rate of reaction?

On the green line, which spot shows the lowestrate of reaction?

Label the axis on the graph

a

b

Time (s)

Volume of gas produced (cm3)