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BigorU [14]
2 years ago
5

A physical property tells how a substance changes into a new substance

Chemistry
1 answer:
Lorico [155]2 years ago
4 0

Answer:

false

Explanation:

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Outline the two main observations that led Wegener to propose the theory of continental drift. (in ur own words)
Reil [10]

Answer:

Due to the known fact that certain animal ect lived on certain country/continents due to climate water type ect when fossils of various animal where found in unusual parts of the earth the theory came that all the continent where joined together due to fossil and rock types being found on continents in which would be impossible to reach if not joined together in the beginning

Explanation:

I

3 0
3 years ago
If you are asked to compare matter in solid, liquid, and gaseous states, which statement best defines a gas?
sesenic [268]

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Gas is a state of indefinite expansion, where the molecules are far apart

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3 years ago
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How do water molecules dissolve a salt?
Artist 52 [7]

Answer:

Water can dissolve salt because the positive part of water molecules attracts the negative chloride ions and the negative part of water molecules attracts the positive sodium ions. The amount of a substance that can dissolve in a liquid (at a particular temperature) is called the solubility of the substance.

Explanation:

5 0
3 years ago
Acetone, CH3COCH3, is a nonelectrolyte; hypochlorous acid, HClO, is a weak electrolyte; and ammonium chloride, NH4Cl, is a stron
natta225 [31]

Answer:

NH4Cl contains 0.2 mol of solute particles, CH3COCH3 contains 0.1 mol of solute particles, and HClO contains somewhere between 0.1 and 0.2 mol of solute particles

Explanation:

Strong electrolyte will dissociate completely and from 2 particles from one. weak electrolyte will form something in between because it won't dissociate completely. And nonelectrolyte won't dissociate at all.

7 0
3 years ago
The closest star to our Sun is Proxima
Aneli [31]

Answer: 40,132,418,653,700 km

Explanation:

1 light year=9460730470000 kilometers

4.242*9460730470000 km=40132418653700 km

8 0
1 year ago
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