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andriy [413]
3 years ago
6

Read the picture :) please and thank you!

Chemistry
1 answer:
lana [24]3 years ago
5 0
It's "C" a sample of dust particles at 0 Pascals
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What a dehydration means?.
Burka [1]

To solve such this we must know the concept of chemical reaction and dehydration reaction. Therefore, dehydration means to remove water from a compound.

<h3>What is chemical reaction? </h3>

Chemical reaction is a process in which two or more than two molecules collide in right orientation and energy to form a new chemical compound. The mass of the overall reaction should be conserved. There are so many types of chemical reaction reaction like combination reaction, double displacement reaction.

Dehydration is a chemical process in which removal of water molecules from a compound take place using suitable reagent. The best reagent for dehydration can be any reagent that is water loving.

Therefore, dehydration means to remove water.

Learn more about the chemical reactions, here:

brainly.com/question/3461108

#SPJ1

8 0
1 year ago
PLEASEEE HELPPPP ASAP!!
Goshia [24]

Atoms are made up of three subatomic particles called protons, neutrons, and electrons.

Protons and neutrons are located in the nucleus.

All protons have a positive charge.

All neutrons have no charge or are neutral.

Electrons orbit around the nucleus and have a negative charge.

8 0
3 years ago
Read 2 more answers
What kind of rocks might you expect to find on the Moon? Why do you think that?​
Vinil7 [7]

Answer:

The Moon's surface is dominated by igneous rocks. The lunar highlands are formed of anorthosite, an igneous rock predominantly of calcium-rich plagioclase feldspar

Explanation:

3 0
2 years ago
10 Points! Which type of fossil is formed when a rock hardens inside a mold fossil?
irina [24]

Answer:

I'm sure it's option A. Cast Fossil

3 0
3 years ago
The electron affinity of an element is positive if energy is absorbed during the process of accepting an electron and negative i
julsineya [31]

Answer:

See explanation

Explanation:

Electron affinity is the energy released when an extra electron is added to a neutral gaseous atom. A negative value of electron affinity indicates that energy is given out and vice versa.

Metals have positive electron affinity since electrons rarely accept electrons, so;

Na(g)+ 1e^- → Na^-(g)      positive

Mg(g)+1e^- → Mg^-(g)      positive

For the last case; Br(g)+ 1e^- → Br^-(g), the electron affinity for the non-metals is negative. hence the answer

5 0
2 years ago
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