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Alex777 [14]
3 years ago
15

Which piece of evidence would suggest an unknown substance is an ionic compound

Chemistry
2 answers:
Mashcka [7]3 years ago
8 0
It conducts electricity when dissolved in water.
It is a liquid at room temperature.
It is a gas at room temperature.
It has a low melting point.
ValentinkaMS [17]3 years ago
7 0

Answer:

Your Answer Would Be (It conducts electricity when dissolved in water)

:)

Explanation:

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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:

The choice that best describes what happens to cube of the given density value is that it would float with about 80% of the cube would be below the surface of the water and 20% above the surface.

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.

The density of water is 1g/mL

If the density of the cube were to be the same with that of water, the substance will just mix up with water .

Here the density is less than that of water.

The density is 0.2g/mL

Therefore, 20% will stay afloat and 80% will be below the surface of the water.

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