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SCORPION-xisa [38]
2 years ago
7

What could you do to increase the volume of the gas in a jar?

Chemistry
2 answers:
Leona [35]2 years ago
5 0

An increase in the number of gas molecules in the same volume container increases pressure.

A decrease in container volume increases gas pressure.

An increase in temperature of a gas in a rigid container increases the pressure.

beks73 [17]2 years ago
4 0

Decrease the pressure

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Manganese nodules are considered a valuable resource from the ocean floor because they are abundant and contain not only mangane
MAVERICK [17]

Answer: iron (oxides of iron)

Explanation: manganese nodules usually contain layers of iron and manganese oxides in a concentric arrangement and are called polymetallic nodules.

4 0
3 years ago
Can any of you guys help me with this. Can y’all give me some facts about nucleus protons netrons and electrons :)
Mumz [18]

Answer:

the nucleus is the center of the atom, made up of protons and neutrons, without the nucleus you'd just have a bunch of electrons floating around; the nucleus is positively charged

protons are the positively charged particles that sit within the nucleus

neutrons are particles of no charge that sit within the nucleus, and because they have no charge, they do not cancel out the positive charge of the protons, making the nucleus positive

electrons are negatively charged particles that float around the nucleus in an area known as the electron cloud, they orbit around the nucleus because they are attracted to the positive charge of the nucleus (caused by the protons), with charges, opposites attract

Explanation:

4 0
2 years ago
a swimming-pool worker wants the pools pH to be 7.2. She comes by to test the water and finds that the pH is 6.2. What should sh
nikdorinn [45]
Add an alkaline compound to raise the pH to 7.2.
3 0
2 years ago
Which of the following observations NOT likely describes a chemical change? a A white solid was exposed to ultraviolet light and
kiruha [24]

Answer:

The correct answer would be - c.  A solid was added to water and the mixture was stirred until the solid was no longer visible

Explanation:

Photostabalizing is the process where a solid change its color in the presence of ultraviolet light, it is a chemical change, so the first option would not be the correct answer.

when two liquid or aqueous solutions are mixed together and form a solid substance, this reaction is known as precipitation and it is a chemical reaction too.

When a solid is placed in a liquid and after stirring it makes the solid vanish is a physical change known as dissolving character.

Thus, the correct answer is option C.

7 0
2 years ago
What are the three states or matter? Whoever answers first, gets a follow bck
Elza [17]
Solid liquid and gas is the answer
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