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labwork [276]
3 years ago
15

How does chromatography relate to gel electrophoresis

Chemistry
1 answer:
NISA [10]3 years ago
6 0
Electrophoresis is a chromatography technique by which a mixture of charged molecules is separated according to size when placed in an electric field
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(1.000) How many moles can be found in 83.80 grams of krypton?
marin [14]

Answer: 1 mole Kr

Explanation: solution

83.80g Kr x 1mole Kr / 84 g Kr

= 0.997 or approximately 1 mole Kr

6 0
3 years ago
What negative impact did chemistry have on society through the production and use of cfcs
ycow [4]
Hazardous coolants in refrigeration  units where replaced;) hope it helped have a good day!

5 0
4 years ago
Given the balanced ionic equation:
bezimeni [28]

Answer : The correct option is, (4) 6.0 mol

Explanation :

The given balanced chemical equation is,

3Pb^{2+}+2Cr\rightarrow 3Pb+2Cr^{3+}

In this reaction, lead undergoes reduction and chromium undergoes oxidation.

Oxidation reaction : It is the reaction in which a substance looses its electrons. In this oxidation state increases.

Reduction reaction : It is the reaction in which a substance gains electrons. In this oxidation state decreases.

Half reactions of oxidation-reduction are :

Oxidation : 2Cr\rightarrow 2Cr^{3+}+6e^-

Reduction : 3Pb^{2+}+6e^-\rightarrow 3Pb

From the reduction reaction, we conclude that 6 moles of electrons gained by the 3 moles of lead ions.

Hence, the correct option is, (4) 6.0 mole

5 0
3 years ago
What does it mean for an element to be reduced?
alexira [117]
When the element is reduced it gains electrons, maybe it's charge becomes more negative. 

8 0
4 years ago
Read 2 more answers
What forms white light?
leva [86]

Answer:

Combination of all the wavelengths of visible light.

Explanation:

Hope it helps you :))))

Have a good day

6 0
2 years ago
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