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fgiga [73]
3 years ago
7

An atom that contains six protons six neutrons and six electrons has a mass of approximately

Chemistry
1 answer:
exis [7]3 years ago
3 0
Six protons, six electrons, and six neutrons. The atom you are looking for is Carbon. The mass number is 12.

Mass number = protons + neutrons 
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The Zeroth Law of Thermodynamics<span> states that if two bodies are each in thermal equilibrium with some third body, then they are also in equilibrium with each other. Credit: Tim Sharp</span>

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What are the limitations of bohr's model of atom​
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Answer:

The Bohr Model is very limited in terms of size. Poor spectral predictions are obtained when larger atoms are in question. It cannot predict the relative intensities of spectral lines. It does not explain the Zeeman Effect, when the spectral line is split into several components in the presence of a magnetic field.

Explanation:

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The pK1, pK2, and pKR of the amino acid lysine are 2.2, 9.1, and 10.5, respectively. The pK1, pK2, and pKR of the amino acid arg
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Answer:

pH 9,8 is likely to work best for this separation

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Ion exchange chromatography is a chemical process where molecules are separated by affinity to an ion exchange resin. To separate different aminoacids you must use the isoelectric point (That is the pH where the aminoacid will be in its neutral form).

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pH = \frac{1}{2} (9,1+10,5) = 9,8

For arginine:

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Thus, <em>pH 9,8 is likely to work best for this separation</em>

<em></em>

I hope it helps!

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3 years ago
Why is it important for scientists to use the scientific method?
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Definition: This is a net gain or loss of electrons.
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Answer:

Elecric charge/ Electricity  

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Electric charge is the net gain or loss of electrons

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2 years ago
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