Describe the process of chromatography.

Answers

Answer 1

Answer: Draw with different colours of ink on a chromatographic paper, and then put it into a beaker of water, and then the colours will separate as it is originally not made of itself, as many colours that we see today are made from many colours mixed together or other chemicals

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What takes place among elements to form an ionic bond? A.
One or more electrons are transferred.

B.
One or more electron shells are shared.

C.
One or more electrons are shared.

D.
One or more electron shells are transferred.

Answers

I'm gonna go with A.One or more electrons are transferred.
Hope i helped :)

Which element melts at room temperature?

Answers

A melting element at room temperature consist of francium.

~Evie

Francium is an element that melts at room temperature. Francium is a highly reactive element, and only contains one valence electron, which is very ironic in my opinion.

How many moles of chlorine are in 300 liters of chlorine

Answers

Answer:

13.39 mol ≅ 13.4 mol.

Explanation:

It is known that 1.0 mole of any gas occupies 22.4 L at STP conditions.

Using cross multiplication:

1.0 mole of Cl₂ occupies → 22.4 L.

??? mole of Cl₂ occupies → 300.0 L.

∴ The no. of moles of Cl₂ are in 300 liters = (1.0 mol)(300.0 L)/(22.4 L) = 13.39 mol ≅ 13.4 mol.

The greenhouse effect A. is caused by pollution released into the atmosphere
B. does not occur naturally
C. is a naturally occurring process
D. needs to be reversed to save the planet

Answers

The greenhouse effect C. is a naturally occurring process. What many people fail to realize is that the greenhouse effect is what keeps our Earth warm and habitable for us to live on. Without the greenhouse effect, the Earth would be colder and would not be able to sustain life.

A plasma that has particles that never collide frequently enough to exchange kinetic energy and never reach a temperature equal to the surroundings is categorized as a