Ch 7.4 Reaction Rates

Ch 7.4 Reaction Rates

Author: deirdre carney
  • Explain what a reaction rate is.
  • Describe the factors affection chemical reaction rates

Nevada Science Standards

P.12.A.5 Students know chemical reactions can take place at different rates, depending on a variety of factors (i.e. temperature, concentration, surface area, and agitation). E/S 

Next Generation Science Standards

HS-PS1-e Construct an explanation about the effects of changing the temperature or concentration of the reacting particles on the rate at which a reaction occurs.

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How to speed up Reaction Rates

chapter 7.4 Reaction Rates

Read the Chapter. Focus on the essential questions:
- What does a reaction rate tell you?
- What factors cause reaction rates to change?

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Source: prentice Hall Physical Science - Concepts in Action Chapter 7.4

Factors Affecting Reaction Rates

How 5 major factors influence rate of reaction; Temperature, Concentration, Surface Area, Catalyst and the nature of the Reactants. This lesson also looks at how Temperature and Catalysts effect the kinetics of a reaction, using Boltzmann diagrams of the molecular Kinetic Energy.

Factors Affecting Reaction Rates - Activity

Follow handout directions. Simulated activity exploring factors affecting reaction rates

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Chapter 7.4 Textbook Questions

Review Chapter 7.4 and after watching the videos, answer the questions on page 215 #1-8.

Use complete sentences and proper vocabulary/scientific terms.

Source: prentice Hall Physical Science - Concepts in Action