science

The decomposition of water into hydrogen gas H2 and oxygen gas O2 can be modeled by the balanced chemical equation
A) H2 + O2 → H2O
B) H2O → H2 + O2
C) 2H2 + O2 → 2H2O
D) 2H2O → 2H2 + O2

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  1. since you want to produce H2O, clearly not B or D
    Now, which other equation is balanced?

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    oobleck
  2. oops. Sorry. Not A or C. I read it backwards.

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    oobleck
  3. what im confused

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  4. is it d i think its d

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  5. Yes, D
    2 H2O molecules have
    4 H atoms or 2H2
    and 2 O atoms

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    Damon

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