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superhelp101

  • one year ago

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  1. superhelp101
    • one year ago
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    Review this chemical equation: O2 + CH4 yields CO2 + H2O Which answer best explains what must be done to make this equation comply with the law of conservation of mass? (1 point) You must add a coefficient of 2 to the oxygen molecule on the left and a coefficient of 2 to the water molecule on the right. You must add a coefficient of 2 to the methane (CH4) molecule on the left and a coefficient of 2 to the carbon molecule on the right. You must add a coefficient of 4 to the oxygen molecule on the left and a coefficient of 4 to the water molecule on the right. You must add a coefficient of 2 to the oxygen molecule on the left and nothing to the molecules on the right.

  2. sweetburger
    • one year ago
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    this is just balancing equations so we have to make each atom be equivalent on both sides of the equation

  3. sweetburger
    • one year ago
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    |dw:1436296002201:dw|

  4. sweetburger
    • one year ago
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    so the equation looks like this 2O2 + CH4---> CO2 + 2H2O

  5. sweetburger
    • one year ago
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    and thats how you balance the combustion of methane

  6. superhelp101
    • one year ago
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    oh okay thank you! So it would be the first option

  7. sweetburger
    • one year ago
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    yes

  8. superhelp101
    • one year ago
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    yayayay that makes sense! :))

  9. sweetburger
    • one year ago
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    alright glad to help :)

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