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yaroslaw [1]
3 years ago
11

How many moles of CO2 are produced when 2.5 moles of O2 react according to the following equation?

Chemistry
1 answer:
alexdok [17]3 years ago
5 0

Answer:

1.5 moles of CO₂ are produced

Explanation:

Based on the chemical equation:

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O<em> -The reaction of the question is wrong-</em>

5 moles of oxygen reacts per mole of propane, C₃H₈, to produce 3 moles of CO₂ and 4 moles of water.

If 2.5 moles of oxygen react and, 5 moles of oxygen produce 3 moles of CO₂, moles of CO₂ produced are:

2.5 moles O₂ * (3 moles CO₂ / 5 moles O₂) =

<h3>1.5 moles of CO₂ are produced</h3>
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How many molecules of co2,h2o,c3h8, and o2 will be present if the reaction goes to completion?
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Let initially there are 10 molecules of O2 and 3 molecules of C3H8 present

The reaction will be

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so here oxygen molecules are limiting as for 3 molecules of C3H8 we need 15 molecules of O2

now the given 10 molecules of O2 will react with only 2 molecules of C3H8 and they will form six molecules of CO2 and 8 molecules of H2O

Hence answer is

molecules of CO2 formed = 6

Molecules of H2O formed = 8

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molecules of O2 left = 0


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