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Leokris [45]
3 years ago
6

A gas has a volume of 25.0 mL when under a pressure of 525 mmHg. What is the new pressure when the volume has been increased to

86.2 mL while temperature remains constant?
Chemistry
1 answer:
Fudgin [204]3 years ago
5 0

Answer:

152.26 mmHg

Explanation:

pv=p'v'

525× 25=p'×86.2

p'=525×25÷ 86.2

p'=152.26

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Which choice best describes what would happen if a cube with a density of 0.2 g/mL were placed in a container of water?
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Answer:

A. It would float with about 80% of the cube below the surface of the water and 20% above the surface.

Explanation:

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Density is the mass per unit volume of a substance. The more mass a body has relative to volume, the great it's density. In short, density is directly proportional to mass and inversely related to volume.

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