superhelp101
  • superhelp101
Question:
Chemistry
chestercat
  • chestercat
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superhelp101
  • superhelp101
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.
sweetburger
  • sweetburger
this is just balancing equations so we have to make each atom be equivalent on both sides of the equation
sweetburger
  • sweetburger
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sweetburger
  • sweetburger
so the equation looks like this 2O2 + CH4---> CO2 + 2H2O
sweetburger
  • sweetburger
and thats how you balance the combustion of methane
superhelp101
  • superhelp101
oh okay thank you! So it would be the first option
sweetburger
  • sweetburger
yes
superhelp101
  • superhelp101
yayayay that makes sense! :))
sweetburger
  • sweetburger
alright glad to help :)

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