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Over [174]
2 years ago
8

There is a sample of rock with a volume of 8 cm^3 and a mass of 20 g. What is its density?

Chemistry
1 answer:
hammer [34]2 years ago
5 0

Answer:

156.07 lb/cu ft

Explanation:

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D.

Explanation:

The rock that is left behind is there because it has resisted the forces of erosion.

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2 years ago
Which functional group is within the compound shown below?
mamaluj [8]

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A. Amino

example phenylalanine

Explanation:

B. Ester is R-CO-OR

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C. Hydroxyl R-OH

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2 years ago
When an electron moves from a lower energy level to a higher energy level, the atom:
Ede4ka [16]

Answer:

A. absorbs light

Explanation:

For an electron to move from a lower energy level to a higher energy level, energy needs to be added to the atom.

In most cases this required energy will be light: The electron of the atom will absorb the energy of the light and move to a higher energy level.

When said electron comes back to the lower energy level, the atom will conversely give off light.

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2 years ago
Name two ways adding salt to lower the freezing temperature benefits you.
miss Akunina [59]

Answer:

Explanation:

Lowers freezing point

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2 years ago
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