Planning an investigation to find rate of reaction

This lesson will prepare students for the required practicals in the following lessons. Students will look at how to write a method for a practical and learn how to collect and display data appropriately. At the end of the lesson, students will learn how to describe and explain trends in graphs.

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Q1.Which of the following is the definition for rate of reaction?

A measure of time A measure of quantity of reactant used up A measure of how quickly a reactant is used up A measure of quantity of product formed

1/6

Q2.What is 'activation energy'?

The minimum energy released from a reaction The minimum energy taken in from the surroundings The total energy in a reaction The minimum energy required for a reaction to take place

2/6

Q3.Which of the following factors affect rate of reaction?

Select four (4) boxes

Colour Temperature Presence of catalysts Concentration of reactants in a solution Mass of product Surface area of solid reactants

3/6

Q4.For a given mass of solid, powders or smaller lumps have ______________________________ than larger lumps which increases the rate of reaction when used as reacting particles collide more frequently.

Smaller surface area to volume ratio Larger surface area to volume ratio Smaller mass to volume ratio Larger mass to volume ratio

4/6

Q5.The higher the pressure of reacting gases, the rate of reaction...

Increases Decreases Stays the same

5/6

Q6.A student investigated the rate of reaction between copper and hydrochloric acid. The student collected 7.5 cm³ of gas produced after 15 seconds. Calculate the mean rate of reaction.

0.5 cm³/s 2 cm³/s 22.5 cm³/s 112.5 cm³/s

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Q1.Which of the following is the definition for rate of reaction?

A measure of time A measure of quantity of reactant used up A measure of how quickly a reactant is used up A measure of quantity of product formed

1/6

Q2.What is 'activation energy'?

The minimum energy released from a reaction The minimum energy taken in from the surroundings The total energy in a reaction The minimum energy required for a reaction to take place

2/6

Q3.Which of the following factors affect rate of reaction?

Select four (4) boxes

Colour Temperature Presence of catalysts Concentration of reactants in a solution Mass of product Surface area of solid reactants

3/6

Q4.For a given mass of solid, powders or smaller lumps have ______________________________ than larger lumps which increases the rate of reaction when used as reacting particles collide more frequently.

Smaller surface area to volume ratio Larger surface area to volume ratio Smaller mass to volume ratio Larger mass to volume ratio

4/6

Q5.The higher the pressure of reacting gases, the rate of reaction...

Increases Decreases Stays the same

5/6

Q6.A student investigated the rate of reaction between copper and hydrochloric acid. The student collected 7.5 cm³ of gas produced after 15 seconds. Calculate the mean rate of reaction.

0.5 cm³/s 2 cm³/s 22.5 cm³/s 112.5 cm³/s

6/6

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Planning an Investigation to find Rate of Reaction

Please complete this exit quiz. This quiz will test your understanding of Planning an Investigation to find Rate of Reaction, as well as topics covered in previous topics.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.What piece of equipment do we ALWAYS need to use when collecting data for rates of reaction?

Gas syringe Balance Stop clock All of the above

1/5

Q2.What is the gas produced when magnesium reacts with hydrochloric acid?

carbon dioxide hydrogen oxygen nitrogen

2/5

Q3.Increasing the concentration of reactants in a solution will result in...

More frequent collisions More energetic collisions More products formed Slower rate of reaction

3/5

Q4.What does the gradient of a graph tell us if the x axis is time and y axis is volume of gas collected?

Time Volume of gas collected Mass of products Rate of reaction

4/5

Q5.Why do all irreversible chemical reactions eventually stop?

The reaction is too long The reaction is too short Reactants have been used up There are no more products

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Planning an Investigation to find Rate of Reaction

Please complete this exit quiz. This quiz will test your understanding of Planning an Investigation to find Rate of Reaction, as well as topics covered in previous topics.

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.What piece of equipment do we ALWAYS need to use when collecting data for rates of reaction?

Gas syringe Balance Stop clock All of the above

1/5

Q2.What is the gas produced when magnesium reacts with hydrochloric acid?

carbon dioxide hydrogen oxygen nitrogen

2/5

Q3.Increasing the concentration of reactants in a solution will result in...

More frequent collisions More energetic collisions More products formed Slower rate of reaction

3/5

Q4.What does the gradient of a graph tell us if the x axis is time and y axis is volume of gas collected?

Time Volume of gas collected Mass of products Rate of reaction

4/5

Q5.Why do all irreversible chemical reactions eventually stop?

The reaction is too long The reaction is too short Reactants have been used up There are no more products

5/5

Lesson summary: Planning an investigation to find rate of reaction

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The next lesson in The rate and extent of chemical change (FT) is "Rate of reaction required practical (Part 1)"

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