Free Printable 7.1 Determining Rate of Reaction

1.

Which of the following reaction(s) is/are slow reaction(s)?

a)

Combustion

b)

Corrosion

c)

Photosynthesis

d)

Food decay

e)

Formation of stalactite

2.

Which of the following is/are the unit(s) for rate of reaction?

a)

$cm^3s^{-1}$

b)

$cm^2s^{-1}$

c)

$cm\ s^{-1}$

d)

$kg\ \min^{-1}$

e)

$mol\ s^{-1}$

3.

Butane gas is frequently used as a cooking fuel. One day, you are asked by your mum to determine how long can a bottle of butane gas last. Thus, to measure its rate of combustion, which of the following parameter change would be the best choice for your rate determination?

a)

Volume of carbon dioxide released

b)

Mass of butane gas

c)

Intensity of blue flame during combustion

d)

Highest temperature obtained during combustion

4.

Which of the following apparatus(s) is/are suitable to measure the change in quantity in order to calculate the rate of reaction between zinc and sulphuric acid?

a)

b)

c)

d)

e)

5.

De-ionised water, DI water is commonly used to top-up wet car battery as it contains no foreign ions in water. Which of the following apparatus can be used to measure the change in electrical conductivity of the DI water

a)

b)

c)

d)

6.

For the reaction between nitric acid and calcium carbonate, the following parameter(s) is/are suitable to be chosen as selected quantity to measure rate of reaction.

a)

Change in mass of calcium carbonate

b)

Change in temperature of reaction

c)

Change in concentration of nitric acid

d)

Change in volume of nitric acid

e)

Change in volume of carbon dioxide

7.

If reactant A and reactant B produces a white precipitate, choose the change of quantity that is the best to measure its rate of reaction.

a)

Mass of precipitate formed

b)

Volume of solution formed

c)

Concentration of reactant A

d)

Concentration of reactant B

8.

In a reaction between magnesium carbonate and sulphuric acid, the following volume of carbon dioxide is collected for the 10 minutes period of reaction, with each reading taken every minute interval.
0 minute: 0 $cm^3$
1 minute: 25 $cm^{3^{ }}$
2 minute: 40 $cm^3$
3 minute: 51 $cm^3$
4 minute: 58 $cm^3$
5 minute: 63 $cm^3$
6 minute: 63 $cm^3$
7 minute: 63 $cm^3$
Calculate the average rate of reaction.

a)

9.00 $cm^{3^{ }}\min^{-1}$

b)

10.5 $cm^3\ \min^{-1}$

c)

12.6 $cm^3\min^{-1}$

d)

14.5 $cm^3\min^{-1}$

9.

In a reaction between magnesium carbonate and sulphuric acid, the following volume of carbon dioxide is collected for the 10 minutes period of reaction, with each reading taken every minute interval.
0 minute: 0 $cm^3$
1 minute: 25 $cm^{3^{ }}$
2 minute: 40 $cm^3$
3 minute: 51 $cm^3$
4 minute: 58 $cm^3$
5 minute: 63 $cm^3$
6 minute: 63 $cm^3$
7 minute: 63 $cm^3$
Calculate the rate of reaction for the first 3 minutes.

a)

4.00 $cm^{3^{ }}\min^{-1}$

b)

17.00 $cm^3\ \min^{-1}$

c)

10.00 $cm^3\min^{-1}$

d)

8.00 $cm^3\min^{-1}$

10.

In a reaction between magnesium carbonate and sulphuric acid, the following volume of carbon dioxide is collected for the 10 minutes period of reaction, with each reading taken every minute interval.
0 minute: 0 $cm^3$
1 minute: 25 $cm^{3^{ }}$
2 minute: 40 $cm^3$
3 minute: 51 $cm^3$
4 minute: 58 $cm^3$
5 minute: 63 $cm^3$
6 minute: 63 $cm^3$
7 minute: 63 $cm^3$
Calculate the rate of reaction from the 2 minute to 5 minute.

a)

12.50 $cm^{3^{ }}\min^{-1}$

b)

7.67 $cm^3\ \min^{-1}$

c)

12.60 $cm^3\min^{-1}$

d)

20.00 $cm^3\min^{-1}$

7.1 Determining Rate of Reaction

Total questions: 10

Worksheet time: 5mins

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