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Chemistry homework help

  1. Dec 16, 2003 #1
    can anyone tell me how to do the following questions and their answers?

    Change these word equations to symbols:
    a) Barium chlorate, when heated, produces barium chloride and oxygen.
    b) Methane combines with oxygen to produce carbon dioxide and water.
    c) Chlorine replaces iodine in calcium iodide.
    d) Chromium reacts with oxygen to produce chromium (VI) oxide.
    e) Aqueous solutions of hydrogen chloride and barium hydroxide react to form barium chloride and water.

  2. jcsd
  3. Dec 16, 2003 #2
    Write out the empirical formualas for the reactants and products, and then balance them using stoichiometry.

    If you need more help show your work.
  4. Dec 16, 2003 #3
    Look up the chemical symbols for compounds

    Doing this prob. urself will help u better
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