2.1.6

Rate of Reaction

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Rates of Chemical Reactions

The rate of a chemical reaction tells us how quickly reactants are converted into products. In industry, reaction rates are very important. However, faster reaction rates may not always be better.

Maximum profit

Maximum profit

  • In industry, making the required amount of product as cheaply as possible maximises all-important profit.
Faster reactions

Faster reactions

  • Faster reactions are often better as they yield more product in a given amount of time.
Drawbacks

Drawbacks

  • It may be expensive to generate the conditions for very fast reactions.
  • There can be safety concerns associated with very fast reactions.
    • Therefore, reaction rates used in industry are the result of a trade-off between speed, cost and safety.
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1

Biology

1.1

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2

Chemistry

2.1

Practicals

2.1.1Salts2.1.2Neutralisation2.1.3Titration2.1.4Electrolysis2.1.5Electrolysis 22.1.6Rate of Reaction2.1.7Rate of Reaction 22.1.8Chromatography2.1.9Identifying Gases2.1.10Identifying Gases 22.1.11Identifying Ions2.1.12Carbonates, Halides & Sulfates2.1.13Flame Emission Spectroscopy2.1.14Water Purification2.1.15Water Purification 2
3

Physics

3.1

Practicals

3.1.1Specific Heat Capacity3.1.2Thermal Capacity & Insulation3.1.3Latent Heat3.1.4Resistance & Current3.1.5Resistance & Current 23.1.6Density3.1.7Density 23.1.8Force & Extension - Springs3.1.9Waves - Ripple Tank3.1.10Light3.1.11Light Reflection & Refraction3.1.12Radiation3.1.13Radiation 2

Practice questions on Rate of Reaction

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  1. 1
    What are the drawbacks of very fast reactions?Fill in the list
  2. 2
    Which of the following is NOT a drawback of using fast reaction rates in industry?Multiple choice
  3. 3
    Having drawn a tangent to the curve of a reaction, you work out that the change in y is 14 and the change in x is 4. What is the rate of this reaction?Multiple choice
  4. 4
    What are the steps in calculating reaction rates from graphs?Fill in the list
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Electrolysis 2

Rate of Reaction 2