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ella [17]
3 years ago
10

Hello guys i wanted to ask if anyone could check my answers please :) 10 points

Chemistry
2 answers:
arlik [135]3 years ago
7 0
The first answer is C, condensation is a physical process and the others are chemical.

The second answer is B, it doesn't change depending on location (the answer you chose)

The third answer is A.

The fourth answer is B. Temperature is an intensive property.

No explanations for the ones you got correct.
natta225 [31]3 years ago
3 0

Answer:

1) Water vapor condenses to form water droplets: a physical process.

2) It is proportional to its weight.

3) Gas

4) 115.2 °C since melting point is an intensive property

Explanation:

1) rusting of metals involves oxidation which is a chemical process

hydrogen and oxygen undergoes chemical reaction to give water

If a candy is dropped in water and releases gas then there must be some reaction going on,

thus out of the four changes, condensation of water is a physical process.

So correct answer is

Water vapor condenses to form water droplets: a physical process.

2) Mass is independent of location, It will be the same on earth or on moon,Its weight which changes with locations.

Thus the correct answer is mass is proportional to weight.

3) gas particles are neutral and they bounce off on another as they collide. the gas particles are in random motion due to high thermal energy and low intermolecular forces of attractions.

4) The intensive properties does not depend upon the mass or amount of a substance. Melting point is an intensive property and will be the same for any amount of a given substance.

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