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dimulka [17.4K]
2 years ago
8

How many theoretical plates produce a chromatography peak eluting at 12.83 min with a width at half-height of 8.7 s

Chemistry
1 answer:
GrogVix [38]2 years ago
4 0
Answer-Figure P38.63a
is a three-dimensional sketch of a birefringent crystal. The dotted lines illustrate how a thin, parallefaced slab of material could be cut from the larger specimen with the crystal’s optic axis parallel to the faces of the plate.”


Sorry if it’s it correct
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What is the mass number of a carbon atom which has 7 neutrons?
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Answer:

Carbon-13

Explanation:

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Carbon-12 : 6 electrons I 6 protons I 6 neutrons

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What is the name of the compound N2(g)
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3 years ago
the enthalpy of vaporization of an roganic alchol is 35.3 kJ/mol at the boiling pointof 64.2 C calculate the entropy change for
bonufazy [111]

Answer:

Explanation:

s=h/t

=35.3/64.2(c)

=35.3/337.2(k)

=0.104

3 0
1 year ago
What is the charge of an atom's nucleus of an atom has 20 protons, 23 neutrons, and 18 electrons?
Sidana [21]

Answer:

It would have a charge of +2.

Explanation:

A proton has a charge of +1, an elctron has a charge of -1, and a neutron has a charge of 0. Ignore the neurons since they have a charge of 0. Since there are 20 protons and 18 electrons (20-18), the overall charge of the atom is +2.

8 0
3 years ago
Read 2 more answers
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