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yulyashka [42]
3 years ago
5

Suppose the reduction of nitric oxide proceeds by the following mechanism:

Chemistry
1 answer:
Nastasia [14]3 years ago
3 0

Answer:

vgj I'll all all all

Explanation:

gghjjhhjjjjjjjj nnh

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Consider some unknown compound containing only copper and oxygen. In order to determine the empirical formula, a sample of the c
Lina20 [59]

The number of mole of copper in the sample is 0.008 mole.

Mole is simply defined as the unit of amount in a substance.

The mole of a substance can be obtained by dividing the mass of the subtance by its molar mass i.e

Mole = mass / molar mass

With the above information, we can obtain the mole of copper in the compound as follow:

Mass of copper = 0.5066 g

Molar mass of copper = 63.5 g/mol

<h3>Mole of copper =? </h3>

Mole = mass / molar mass

Mole of copper = 0.5066 / 63.5

<h3>Mole of copper = 0.008 mole </h3>

Therefore, 0.008 mole of copper was initially present in the compound.

Learn more: brainly.com/question/14295066

5 0
2 years ago
The densities of several gases at the same temperature are listed below. Considering only density, waves should travel fastest i
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The answer is helium 0.09 kg/m³.

The wave will move faster in the gas that is having lowest density.

As comparison to other gases-hydrogen, oxygen and  radon; helium has the lowest density that is 0.09 kg/m³.

So, waves will move fastest in helium gas as it is having lowest density.

So the answer is helium gas that is waves will move fastest in helium gas.

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3 years ago
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Setler79 [48]
#7 is D because you move the decimal 4 places
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2 years ago
Dalton law states that the partial pressure of a gas in a mixture of gases is _____ to the total pressure of the mixture.
OLEGan [10]

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Dalton law states that the partial pressure of a gas in a mixture of gases is equal to the total pressure of the mixture.

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What is the chemical formula for magnesium hydroxide?
ioda

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the chemical formula of magnesium hydroxide is Mg(OH)2

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