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Wewaii [24]
3 years ago
6

Can you light a diamond on fire

Chemistry
1 answer:
miss Akunina [59]3 years ago
7 0

Answer:

Yes, diamond can be burned. The most common form of burning in everyday life is carbon combustion. In carbon combustion, carbon atoms break their bonds with each other and with other atoms (which requires energy) to form bonds with oxygen atoms (which releases even more energy than first required). The net extra energy released in this reaction can then go on to rip more carbon atoms free of their non-oxygen neighbors, thus continuing the reaction, or the energy can escape as heat and ligh

Explanation:

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In the diagram, which letter represents the transition from liquid to gas?<br> B<br> A<br> D<br> C
lana66690 [7]
I got on here because I don't understand the question but I did my best to answer because I noticed you asked 3 days ago. IF I'm right the answer is D. My diagram shows
A at -50 °C
B at 0 °C
C at 50 °C
D at 100 °C (gas to liquid or liquid to gas)
And E at 150 °C
So I hope I'm right because I'm answering the same question.
5 0
3 years ago
When calcium chloride is dissolved in water, to which end of the adjacent water molecules will a calcium ion be attracted? the o
Lesechka [4]
Ca ionises into Ca^2+. Ca^2+ will be attracted to O^2- ions in the water, since opposite charges attract. (Hydrogen in water forms H^+)
6 0
3 years ago
Describe a way to separate a mixture of sand and salt .
worty [1.4K]
Put water in it and the salt will dissolve and the sand will stay at the bottom
7 0
3 years ago
What are resources?​
Georgia [21]

Answer:

A resource is a source or supply from which a benefit is produced.

Explanation:

hope it helped :)

6 0
3 years ago
Nitric acid (HNO3) is a strong acid that is completely ionized in aqueous solutions of concentrations ranging from 1% to 10% (1.
Alborosie

<u>Given:</u>

Concentration of HNO3 = 7.50 M

% dissociation of HNO3 = 33%

<u>To determine:</u>

The Ka of HNO3

<u>Explanation:</u>

Based on the given data

[H+] = [NO3-] = 33%[HNO3] = 0.33*7.50 = 2.48 M

The dissociation equilibrium is-

            HNO3   ↔    H+      +      NO3-

I            7.50               0                 0

C          -2.48          +2.48              +2.48

E            5.02            2.48              2.48

Ka = [H+][NO3-]/HNO3 = (2.48)²/5.02 = 1.23

Ans: Ka for HNO3 = 1.23

6 0
3 years ago
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