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love history [14]
3 years ago
10

Which of the changes are physical changes

Chemistry
1 answer:
Orlov [11]3 years ago
3 0

Answer:

boiling, melting, freezing, and shredding.

Explanation:

Some examples.

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What components of an atom has no charge
rjkz [21]

Answer:

Neutrons

Explanation:

Protons have a positive (+) charge.

Electrons have a negative (-) charge.

Neutrons have a neutral (0) charge.

5 0
4 years ago
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Which of these are elimination reactions? Check all that apply.
kotykmax [81]

Answer:

C3H7OH → C3H6 + H20

Explanation:

If we look at the reactant and the product we will realize that the reactant is an alcohol while the product is an alkene. The reaction involves acid catalysed elimination of water from an alcohol.

Water is a good leaving group, hence an important synthetic route to alkenes is the acid catalysed elimination of water from alcohols. Hence the conversion represented by C3H7OH → C3H6 + H20 is an elimination reaction in which water is the leaving group.

7 0
3 years ago
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Fantom [35]

Answer:chemical markers

Explanation:

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8 0
3 years ago
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When a gas is dissolved in a liquid, what happens when the pressure increases?<br>​
erik [133]

Answer: B, the gas is being squeezed out of the liquid.

Explanation: The gas does not want to be trapped inside of the liquid, so it is trying to force it’s way out. Therefore creating more pressure in the container or whatever the liquid is being held in.

8 0
3 years ago
Which aqueous solution will theoretically have the highest boiling point? A) 0.001 M NaCl B) 0.001 M C6H12O6 C) 0.001 M CaCl2 D)
soldi70 [24.7K]

Answer:

D)

Explanation:

I just answered the question and got it right.

4 0
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