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Answers. 1. What is meant by collision theory? Collision theory states that chemical reactions occur when reactant particles collide with sufficient energy and in the correct orientation to overcome the bonds holding the reactant particles together. 2. What is activation energy?
2 P6225RA Read the text below and answer Questions 1–3 on the Question Paper. TEXT 1 Extract from ‘Collision Course: The Olympic Tragedy of Mary Decker and Zola Budd’ by Jason Henderson (2016). This edited extract, written by British sports writer Jason Henderson, describes two runners
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1. Explain collision theory. 2. What are the two things that must take place in order for a reaction to take place between molecules or atom? 3. Explain why all reactions have activation energy, using your knowledge of collision theory. 4. Describe how the activation energy of a reaction affects the overall rate of the chemical reaction. 5.
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Collins CSEC® Chemistry Workbook answers. A1 States of matter. a) i) Ammonium chloride. ii) Diffusion Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration until the particles are evenly distributed. (2)
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Collision Theory Questions Worksheet - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Increasing the frequency of collisions and effectiveness of collisions can increase reaction rate. Reactions between ionic substances proceed faster than those between covalent substances.
2 (a) The cue ball’s velocity is virtually the same as the black, but on a downward 45° trajectory. It is highly likely to enter the bottom corner pocket. (b) Kinetic energy is conserved, so it is an elastic collision. 3 v imp = 1.1 109 m s–1; this is faster than the speed of light. 4 Students’ own answers. For example:
Collins Concise Revision Course: CSEC® Chemistry Answers to revision questions 1 The states of matter 1. - All matter is composed of particles. - The particles are in constant motion and temperature affects their speed of motion. - The particles have empty spaces between them. - The particles have forces of attraction between them. 2.
