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anyanavicka [17]
4 years ago
9

Dinitrogen pentoxide decomposes to form nitrogen dioxide oxygen, following the equation 2N2O3 - 4NO, + 0,. At

Chemistry
1 answer:
True [87]4 years ago
4 0

Answer:

A. N₂O₅ is produced at 0.2 mol·L⁻¹s⁻¹, and O₂ is produced at 0.05 mol·L⁻¹s⁻¹.  

Explanation:

2N₂O₅ ⟶ 4NO₂ + O₂

For every two molecules of N₂O₅ that disappear, we get four molecules of NO₂ and one of O₂.

NO₂ is forming twice as fast, and O₂ is forming half as fast, as N₂O₅ is decomposing.

N₂O₅ is decomposing at a rate of 0.1 mol·L⁻¹s⁻¹.

So, N₂O₅ is produced at 0.2 mol·L⁻¹s⁻¹, and O₂ is produced at 0.05 mol·L⁻¹s⁻¹.

 

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The following balanced equation shows the formation of water.
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The number of moles of oxygen (O2) required to completely react with 27.4 mol of H2 is 13.7 moles.

<h3>How to calculate number of moles?</h3>

The number of moles of a substance can be calculated using stoichiometry as follows:

The following balanced chemical equation is given as follows:

2H2 + O2 = 2H2O

According to this question, 2 moles of hydrogen gas (H2) reacts with 1 mole of oxygen gas (O2).

This means that 27.4 moles of hydrogen gas (H2) will react with 27.4/2 = 13.7moles of oxygen gas.

Therefore, the number of moles of oxygen (O2) required to completely react with 27.4 mol of H2 is 13.7 moles.

Learn more about number of moles at: brainly.com/question/14919968

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Indicate whether each of the following substances would be more soluble in H2O or C6H14:
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1. Calculate the concentration in moles per liter (M) of a solution that contains 0.49 mol CuSO4 and has a volume of 0.74 L. Con
Sphinxa [80]

Answer:

1. 0.662 M

2. 2.294 M

3. 0.357 M

Explanation:

The Molarity of a compound is simply defined as the mole of compound per unit litre of the solution. It can be obtained mathematically by the following equation:

Molarity = mole /Volume

With the equation above, let us calculate the molarity for the question given above.

1. Mole of CuSO4 = 0.49 mol Volume = 0.74 L.

Molarity of CuSO4 =?

Molarity = mole /Volume

Molarity of CuSO4 = 0.49/0.74

Molarity of CuSO4 = 0.662 M

2. Mole of Co(NO3)2 = 0.78 mol Volume = 0.34 L.

Molarity of Co(NO3)2 =?

Molarity = mole /Volume

Molarity of Co(NO3)2 = 0.78/0.34

Molarity of Co(NO3)2 = 2.294 M

3. Mole of K2Cr2O4 = 0.30 mol Volume = 0.84L.

Molarity of K2Cr2O4 =?

Molarity = mole /Volume

Molarity of K2Cr2O4 = 0.30/0.84

Molarity of K2Cr2O4 = 0.357 M

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3 years ago
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