GCSE Chemistry – Rates of reactions – graphs

Last updated: 24/03/2021
OCR Gateway GCSE Science – Combined science foundation Controlling reactions GCSE Chemistry – Rates of reactions – graphs

Learning Objectives

-I can draw a graph to show the process of a reaction by showing the reactant being used up or a product being formed
-I can draw tangents to curves and interpret the slope of these

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  3. Answered

  1. What is the definition of rate of reaction?

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  2. Once an experiment has been carried out to calculate the rate of reaction, what should be drawn?

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  3. What type of graph should be drawn to show reaction rate?

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  4. What will lie on the x axis of a graph showing the rate of reaction?

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  5. What will lie on the y axis of a graph showing the rate of reaction?

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  6. What is the definition of an independent variable?

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  7. What is the definition of the dependent variable?

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  8. What does the gradient in a rates of reactions graph represent?

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  9. Describe the relationship between the steepness of a graph and the rate of reaction.

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  10. Where on a graph will the rate of reaction be at its fastest?

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  11. Where on a graph will the rate of reaction be at its slowest?

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  12. Where on a graph will the rate of reaction be at its fastest?

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  13. Where on a graph will the rate of reaction be at its slowest?

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  14. What is the equation to work out the gradient of a line?

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  15. What is the equation to work out the mean rate of reaction?

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  16. What is the equation to work out the mean rate of reaction?

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  17. When drawing a rate of reaction graph when measuring the change in mass, what variable goes on the x axis?

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  18. When drawing a rate of reaction graph when measuring the change in mass, what variable goes on the y axis?

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  19. When drawing a rate of reaction graph when measuring the volume of gas released, what variable goes on the x axis?

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  20. When drawing a rate of reaction graph when measuring the volume of gas released, what variable goes on the y axis?

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  21. When drawing a rate of reaction graph when measuring the precipitate formation, what variable goes on the x axis?

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  22. When drawing a rate of reaction graph when measuring the precipitate formation, what variable goes on the y axis?

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  23. What is the x axis?

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  24. What is the y axis?

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