Rate of Reaction

Question 1

Rate of Reaction

Answer 1

Describes how quickly the products are formed in a chemical reaction.

Question 2

What are the 4 signs of a chemical reaction?

Answer 2

Colour change
Effervescence
Precipitation
Energy change

Question 3

How can you increase the rate of reaction? (Make the slope steeper)

Answer 3

Increasing concentration
Increasing temperature
Decreasing particle size
Add a catalyst

Question 4

Catalyst

Answer 4

A substance that speeds up a chemical reaction and can be recovered chemically unchanged at the end of the reaction.

Question 5

Higher rate -

Answer 5

Faster reaction

Question 6

Methods to Monitor rate (gas is insoluble)

Answer 6

Inverted measuring cylinder filled with water
Gas syringe
Balance

Question 7

Methods to monitor rate (gas is water soluble)

Answer 7

Gas syringe
Balance

Question 8

Draw a method diagram of an inverted measuring cylinder filled with water

Answer 8

Check page 6 of booklet

Question 9

Draw a method diagram of a gas syringe

Answer 9

Check page 8 of booklet

Question 10

Why should you use a gas syringe rather than gas collection over water?

Answer 10

Because it’s suitable for any gas (soluble or insolubility)