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OLga [1]
2 years ago
9

Today is a historic day! Why? Write a paragraph.

Chemistry
2 answers:
alekssr [168]2 years ago
3 0

Answer:

JOE BIDEN GOT ELECTED

Explanation:

hram777 [196]2 years ago
3 0

Answer:

The orange clown is gone

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Two gases are placed in a sealed flask and allowed to react. Which statement is true about the concentrations of the reactants a
3241004551 [841]
The correct answer is they will not necessarily be equal, but they will be constant. The change between reactants and products will be going continuously but the concentration is constant.
7 0
3 years ago
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PLEASE HELP <br> describe the process of paper chromatography????????????
irinina [24]

Answer:Chromatography technique that uses paper sheets or strips as the adsorbent being the stationary phase through which a solution is made to pass is called paper chromatography. It is an inexpensive method of separating dissolved chemical substances by their different migration rates across the sheets of paper.

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5 0
2 years ago
Complete the sentences to explain what a similar treatment would predict for the effective nuclear charge on boron valence elect
dsp73

Answer:

ZcH's electrons = 5-2 = +3.

ZcH for inner electrons = -5 - 0 = +5.


Explanation:

Boron 1s² 2s² 2p

As, 2s ⇒ 2.58.

2p ⇒ 2.42.

Electrons = +3.

Greater than 2 cm = 0.35

Slightly greater than +3 .

8 0
3 years ago
The difference in an area with high concentration and an area with low concentration is called.
Varvara68 [4.7K]

The difference in an area with high concentration and an area with low concentration is called the concentration gradient.

<h3>What is Concentration Gradient ?</h3>

A concentration gradient occurs when the concentration of particles is higher in one area than another.

In passive transport, particles will diffuse down a concentration gradient, from areas of higher concentration to areas of lower concentration, until they are evenly spaced.

This difference in an area with high concentration and an area with low concentration is called the concentration gradient.

Learn more about diffusion here ;

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5 0
1 year ago
This reaction appears to be destroying the logs
Alex_Xolod [135]
What exactly is the question you are asking?
5 0
3 years ago
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