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algol [13]
3 years ago
8

The following balanced equation shows the formation of water. 2H2 + O2 2H2O How many moles of oxygen (O2) are required to comple

tely react with 27.4 mol of H2
Chemistry
1 answer:
motikmotik3 years ago
8 0

Answer:

13.7 moles of O₂ are needed

Explanation:

In order to find the moles of reactants that may react to make the products we need to determine the reaction:

Reactants are hydrogen and oxygen

Product: Water

2 moles of hydrogen can react to 1 mol of oxygen and produce 2 moles of water.

Balanced reaction: 2H₂(g) + O₂(g) →  2H₂O(l)

If 2 moles of hydrogen need 1 mol of oxygen to react

Therefore, 27.4 moles of H₂ must need (27.4 .1) / 2 = 13.7 moles of O₂

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<h3>Answer:</h3>

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Concept tested: Gas laws (Boyle's law)

<u>We are given,</u>

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We need to determine the new pressure, P₂

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P₂ = P₁V₁ ÷ V₂

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   = 66.24 atm

Therefore, the new pressure is 66.24 atm

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