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anonymous

  • one year ago

Which of the following equations is balanced? H2+ O2arrowH2O H2 + O2arrowH2O + O2 2H2 + O2arrow2H2O 4H2 + O2arrowH2O + O

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  1. anonymous
    • one year ago
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    @Michele_Laino

  2. Michele_Laino
    • one year ago
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    it is the third one: \[{\text{2}}{{\text{H}}_{\text{2}}}{\text{ + }}{{\text{O}}_{\text{2}}} \to {\text{2}}{{\text{H}}_{\text{2}}}{\text{O}}\] since we have four atoms of hydrogen at both sides, and we have 2 atoms of oxygen at both sides

  3. anonymous
    • one year ago
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    Oh.. i was looking at C but i kept thinking it was B. I have one more question though if thats okay

  4. anonymous
    • one year ago
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    Which statement accurately describes the illustration? Hydrogen has a valence of 1 and oxygen has a valence of 6. Hydrogen has a valence of 1 and oxygen has a valence of 8. Hydrogen has a valence of 1 and oxygen has a valence of 2. Hydrogen has a valence of 2 and oxygen has a valence of 6.

  5. Michele_Laino
    • one year ago
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    It is the first option, since hydrogen has only one valence electron, whereas oxygen has 6 valence electrons

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