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yanalaym [24]
3 years ago
15

Which of the following is most likely to produce heat energy?

Chemistry
2 answers:
Nina [5.8K]3 years ago
4 0

Answer:

B.Convection

the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.

Otrada [13]3 years ago
3 0

Answer:

B.

Explanation:

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A mixture of helium, nitrogen, and oxygen has a total pressure of 752 mm Hg. The
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Answer: The partial pressure of oxygen in the mixture is 321 mm Hg

Explanation:

According to Dalton's law, the total pressure is the sum of individual pressures.

p_{total}=p_{He}+p_{N_2}+p_{O_2}

Given : p_{total} = total pressure of gases = 752 mm Hg

p_{He} = partial pressure of Helium = 234 mm Hg

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Putting in the values we get:

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The partial pressure of oxygen in the mixture is 321 mm Hg

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