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laila [671]
3 years ago
6

What is the best classification for this sample of crude oil?

Chemistry
2 answers:
Nata [24]3 years ago
6 0
Its have a classification of light and heavy crude oil
Makovka662 [10]3 years ago
5 0
A crude oil is a mixture of different hydrocarbons found in it. It is also commonly known as petroleum. It is made by compressing and heating organic matter for a long time period. The four main kinds of hydrocarbons located in crude oil are paraffins, naphthenes, aromatics and asphaltics.
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C) Solar energy is the source of all forms of energy.give reasons​
anastassius [24]

Answer:

All energy is made by the sun because without the sun there would be no humans to produce other energy

8 0
3 years ago
Read 2 more answers
An atom of which element has the greatest attraction for the electrons in a bond with a hydrogen atom?
Nadusha1986 [10]
The question can be changed into a new form:
Which element has the most negative electron affinity, or attraction for electrons? halogens have the highest electron affinities, and thus are more attracted to the electrons in the Hydrogen atom than any element in their respective periods.
In this case all the following choices are in the same period, thus Cl or Chlorine is the answer as it is a halogen.
7 0
3 years ago
Which scientist explained why binary stars change colors
Vinvika [58]

Answer:

This is because of scintillation ("Twinkling") as the light passes through the atmosphere of the Earth. As the air moves in and out, the starlight is refracted, often different colors in different directions. Because of this "chromatic abberation," stars can appear to change colors when they are twinkling strongly.

Explanation:

5 0
3 years ago
What is the ph of a 0.014 M HCL solution?
Allushta [10]

Answer:

pH = 1.853

Explanation:

For every mole of hydrochloric acid, one mole of hydronium ion is required. Thus, in order to neutralize 0.014 moles of HCL, 0.014 moles of hydronium is required.

[H_3O^+] = [HCl] = 0.014

pH  = -log [H^+] = -log [H_3O^+]

Substituting the available values in above equation, we can say that   the pH of the solution is equal to

- log (0.014)

pH = 1.853

pH of a 0.014 M HCL solution = 1.853

8 0
3 years ago
G(1)=0 g(n) =g(n-1)+n g(2)=
Aliun [14]
G(2)=2

For this, you can plug in 2 everywhere you see an n. So the equation will read:
g(2)=g(2-1)+2 -> g(2)=g(1)+2. Since we are given g(1)=0, we can plug in 0 where we see g(1). The equation is now. g(2)=0+2. So, g(2)=2.
6 0
3 years ago
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