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  • Nota de Estudos
  • Rever Tópicos
    Sharron P.
    CA
    Sharron P.

    Picture is incorrect showing Water as H2O2. It should be Water as H2O. (Hydrogen Peroxide is H2O2)

    Lisa N.
    GR
    Lisa N.

    the above equation is wrong, and confusing. In additon, students who are not native English speakers still have to google around to find the meaning for the explanations given. What is so difficult to explain the example in simple English like in previous lessons?

    Julie M.
    US
    Julie M.

    Water is H 2 O, not H 2 O 2. (Sorry, I can't make little 2's). Please change this! It's supposed to be a science class!

    Eunice A.
    GH
    Eunice A.

    WHAT IS AN ANTIOXDANT

    Nicia C.
    PH
    Nicia C.

    Formula for water does not include the 2 after the 0, thank you.

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