Creative Problem Solving in Chemistry - Hydrogen peroxide

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Find the best catalyst for the decomposition of hydrogen peroxide from solutions provided. Solutions should be tested singly and in pairs to investigate whether solutions or solids are the best catalysts.

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Hydrogen peroxide
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Specification

Scotland
- National 5
  - SQA Chemistry
    - Chemical changes and structure
      - Rates of reaction
        Rates of reaction
        through the use of a catalyst
        Catalysts are substances that speed up chemical reactions but can be recovered chemically unchanged at the end of the reaction.
Wales
- GCSE
  - WJEC Combined science
    - Unit 2: Chemistry 1
      - 2.5 RATE OF CHEMICAL CHANGE
        (a) practical methods used to determine the rate of reaction – gas collection, loss of mass and precipitation (including using data-logging apparatus)
        (d) catalysts as substances that increase the rate of a reaction while remaining chemically unchanged and that they work by lowering the energy required for a collision to be successful (details of energy profiles are not required)
  - WJEC Chemistry
    - Unit 1: CHEMICAL SUBSTANCES, REACTIONS and ESSENTIAL RESOURCES
      - 1.5 RATE OF CHEMICAL CHANGE
        (a) practical methods used to determine the rate of reaction – gas collection, loss of mass and precipitation (including using data-logging apparatus)
        (d) catalysts as substances that increase the rate of a reaction while remaining chemically unchanged and that they work by lowering the energy required for a collision to be successful (details of energy profiles are not required)
- A/AS level
  - WJEC Chemistry
    - Unit 2: ENERGY, RATE AND CHEMISTRY OF CARBON COMPOUNDS
      - 2.2 Rates of reaction
        (b) how to calculate rates from experimental data and how to establish the relationship between reactant concentrations and rate
        (e) characteristics of a catalyst
Northern Ireland
- A/AS level
  - CCEA Chemistry
    - Unit AS 2: Further Physical and inorganic Chemistry and an Introdution to Organic Chemistry
      - 2.9 Kinetics
        2.9.1 recall how factors, including concentration, pressure, temperature and catalyst, affect the rate of a chemical reaction;
- GCSE
  - CCEA Chemistry
    - Unit 2: Further Chemical Reactions, Rates and Equilibrium, Calculations and Organic Chemistry
      - 2.3 Rates of reaction
        2.3.5 demonstrate knowledge and understanding that a catalyst is a substance which increases the rate of a reaction without being used up and recall that transition metals and their compounds are often used as catalysts;
  - CCEA Double award science
    - Unit C2: Further Chemical Reactions, Rates and Equilibrium, Calculations and Organic Chemistry
      - 2.3 Rates of reaction
        2.3.5 demonstrate knowledge and understanding that a catalyst is a substance which increases the rate of a reaction without being used up and recall that transition metals and their compounds are often used as catalysts;
Republic of Ireland
- Leaving Certificate
  - Chemistry
    - 6. Rates of reaction
      - 6.2 Factors Affecting Rates of Reaction
        Depth of treatment
        Catalysts.
        Activities
        Observation of the oxidation of potassium sodium tartrate by hydrogen peroxide, catalysed by cobalt(II) salts (this should be shown using an appropriate video clip)
      - 6.1 Reaction Rates
        Depth of treatment
        Rate of reaction.
        Activities
        Mandatory experiment 6.1 - Monitoring the rate of production of oxygen from hydrogen peroxide, using manganese dioxide as a catalyst.
England
- GCSE
- A/AS level

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Creative Problem Solving in Chemistry - Hydrogen peroxide

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Hydrogen peroxide

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