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Chemistry

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What are some examples of chemical and physical changes in heat taking place around you for one day?

  • Chemistry -

    maybe evaporation?

  • Chemistry -

    One example of chemical change is lighting a gas stove to cook material. That is the oxidation of methane.
    CH4 + 2O2 ==> CO2 + 2H2O
    Cooking is another example of chemical change; for example, baking bread.

    One example of a physical change is one suggested by Cathrine.

  • Chemistry -

    Thanks. Is the oxidation of methane exothermic or endothermic?

  • Chemistry -

    All oxidations are exothermic

  • Chemistry -

    Melting ice: physical change

  • Chemistry -

    Yes, melting ice is a physical change.

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