1 Factors that affect rate of reactionUnit 2 topic 5 rates of chemical change lesson1

2 THINK: Look at these diagramsLook at a number of images that show how rate can be measured. Discuss the Advantages/Disadvantages of each method accuracy of each method how would each method be carried out variables in each method examples of each method.

3 Measuring volume with a measuring cylinder

4 Measuring volume with a gas syringe

5 Counting bubbles

6 Measuring mass lost

7 Using a light sensor

8 Lesson objectives To understand practical methods used to determine the rate of reaction gas collection loss of mass precipitation (including using data-logging apparatus)

9 Specified practical

10 Apparatus required

11 H&S

12 Method and analysis

13 Alternative method