pdf, 842.18 KB
pdf, 842.18 KB

Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 28 - Rates of Reaction. Contains short answer questions, an activity requiring lateral thinking and exam-style questions.

Specification Point 3.9 - Describe experiments to investigate the effects of changes in surface area of a solid, concentration of a solution, temperature and the use of a catalyst on the rate of a reaction.

Specification Point 3.10 - Describe the effects of changes in surface area of a solid, concentration of a solution, pressure of a gas, temperature and the use of a catalyst on the rate of a reaction.

Specification Point 3.11 - Explain the effects of changes in surface area of a solid, concentration of a solution, pressure of a gas and temperature on the rate of a reaction in terms of particle collision theory.

Specification Point 3.12 - Know that a catalyst is a substance that increases the rate of a reaction, but is chemically unchanged at the end of the reaction.

Specification Point 3.13 - Know that a catalyst works by providing an alternative pathway with lower activation energy.

Specification Point 3.15 - Practical: investigate the effect of changing the surface area of marble chips and of changing the concentration of hydrochloric acid on the rate of reaction between marble chips and dilute hydrochloric acid.

Specification Point 3.16 - Practical: investigate the effect of different solids on the catalytic decomposition of hydrogen peroxide solution.

Complete set of Chapter 6 Worksheets are available.

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