lydiachoreographer
lydiachoreographer lydiachoreographer
  • 02-01-2019
  • Chemistry
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In the balanced equation (picture included) how many moles of O2 MOLECULES and O2 ATOMS react?

In the balanced equation picture included how many moles of O2 MOLECULES and O2 ATOMS react class=

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Dejanras
Dejanras Dejanras
  • 12-01-2019

1) The answer is: 2 moles of oxygen molecules.

Balanced chemical reaction of methane combustion:  

CH₄(g) + 2O₂(g) → CO₂(g) + 2H₂O(g).

Coefficients with the lowest ratio indicate the relative amounts of substances in a reaction.

In fronf of oxygen molecule is coefficient 2.

2) The answer is: 4 moles of oxygen atoms.

In one molecule of oxygen there are two oxygen atoms, so in two molecules there are four oxygen atoms.

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