Rates of Reaction

Rates of Reaction

Lesson one

Multiple Choice

What is an endothermic reaction?

• Energy is released into the surroundings

• Energy is removed from the surroundings

Open Ended

What is the definition for rate of reaction?

Multiple Select

What are the signs of a chemical reaction

• Colour change

• Temperature change

• Bubbles/effervescence

• Mass lost/gained

• All of the above

Multiple Select

How do we work out the rate of reaction from a graph?

• Change in X / Change in Y
  

• Change in Y / Change in X

Multiple Select

Which units are correct for rate of reaction?

• cm³/s

• g/s

• g/ml

• m/g

Fill in the Blanks

In a chemical reaction the mass increased from 24g to 27.4g in 25 seconds what is the rate of reaction?

Change in mass/ time taken

Fill in the Blanks

In a chemical reaction the volume of gas produced was 17cm³ in 2 minutes.

What is the rate of reaction?

Give the answer in cm³/s to 2d.p