Kinetics A2

Presentation

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Chemistry

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9th - 12th Grade

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Practice Problem

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Medium

Farah Khan, Chemistry Teacher

Used 1+ times

FREE Resource

79 Slides • 21 Questions

Multiple Choice

Which of the following factors can affect the rate of a chemical reaction?

Catalyst, Surface Area, Temperature, Pressure

Only Catalyst and Temperature

Only Surface Area and Pressure

Only Catalyst

Open Ended

Why is it important to understand the conditions that affect the rate of a chemical reaction?

Type response here

Multiple Choice

Which of the following best describes what kinetics studies in chemistry?

The speed or rate at which chemical reactions occur

The color change during a reaction

The products formed in a reaction

The temperature at which a reaction occurs

Open Ended

Explain how temperature affects the rate of chemical reactions, using examples from daily life.

Type response here

Multiple Choice

What happens to the rate of reaction when the concentration of reactants increases?

It generally increases

It generally decreases

It stays the same

It stops completely

Open Ended

Describe how increasing the surface area of a reactant can influence the rate of a chemical reaction. Use the diagrams to support your answer.

Type response here

Multiple Choice

Which of the following is the correct unit for the rate of a chemical reaction?

mol dm-3 s-1

mol s-1

dm-3 s-1

mol dm-3

Fill in the Blanks

Open Ended

Explain how you would determine the initial rate of reaction from a concentration vs time graph.

Type response here

Multiple Choice

Which methods can be used to monitor the rate of a chemical reaction?

Titration/pH meter

Change in volume

Colorimeter

All of the above

Multiple Select

Based on the methods listed in the Family Fortunes survey and the explanation of obtaining data for concentration-time graphs, which of the following are appropriate for monitoring the rate of a reaction involving acids or bases?

Titration

pH meter

Electrical conductivity

Colorimeter

Multiple Choice

For a reaction involving acids or bases, which techniques can be used to measure pH changes?

Titration

pH meter

Colorimeter

Both titration and pH meter

Open Ended

What is the purpose of using a suitable indicator such as phenolphthalein or methyl orange in titration experiments?

Type response here

Multiple Choice

Which of the following is NOT a step in the procedure for performing titrations to obtain data for a concentration-time graph?

Remove aliquot from reaction

Stop reaction by quenching or cooling

Titrate against an acid or base of known concentration

Add a catalyst to speed up the reaction

Multiple Choice

Which of the following measurements can be used to monitor the progress of a reaction that produces a gas?

Change in electrical conductivity

Change in volume or pressure

Colour change

Formation of a precipitate

Fill in the Blanks

Multiple Choice

Based on the data and graph provided, what is the rate of reaction at t = 3000 s for the decomposition of SO2Cl2?

1.5x10^-4 mol dm^-3 s^-1

6.0x10^-5 mol dm^-3 s^-1

0.50 mol dm^-3 s^-1

0.20 mol dm^-3 s^-1

Multiple Choice

Which of the following best describes the trend in the concentration of H2O2 over time during its decomposition, as shown in the table?

It increases steadily over time.

It remains constant.

It decreases rapidly at first, then more slowly.

It fluctuates randomly.

Open Ended

Explain how you would determine the rate of decomposition of hydrogen peroxide at t = 20 seconds using the data provided.

Type response here

Fill in the Blanks

Open Ended

Suggest one alternative method (other than measuring concentration) that could be used to monitor the rate of the decomposition of benzene diazonium chloride.

Type response here