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Ber [7]
3 years ago
8

Explain what each quantum number in a quantum number set tells you about the electron. Compare and contrast the locations and pr

operties of two electrons within an atom that have the quantum number sets (2, 1, 0, +½) and (2, 0, 0, +½).
Chemistry
2 answers:
Marysya12 [62]3 years ago
5 0
The first electron is in the n=2 shell, the p subshell (l=1), m sub l = 0 so it is in the middle space of its subshell's energy level diagram. It has a positive spin.

The second electron is in the n=2 shell, is in the s subshell (l=0), m sub l = 0 so it is in the middle space of its subshell's energy level diagram. It also has a positive spin.
klio [65]3 years ago
4 0
This is a bit long right now.

(n l m s) these are the numbers.

n=2, second orbital level.
l is the type of orbit: l=1 elongated, l=0 spherical
m=0, magnetic number: 0
s=spin, both have spin positive

You need still to round it up. Srry!

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When 6.13 g of a certain molecular compound X are dissolved in 90. g of formamide (NH2COH), the freezing point of the solution i
belka [17]

Answer:

321.6 g/Mol

Explanation:

mass of solvent in kilograms = 90g/1000 = 0.09 Kg

Given that;

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m = molality of the solution

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ΔTf = freezing point of pure solvent - freezing point of solution

freezing point of pure solvent = 3 °C

ΔTf = 3 °C - 2.1 °C

ΔTf = 0.9  °C

0.9= 4.25 * 6.13/M/0.09 * 1

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0.9 = 26.0525/0.09 M

0.9 * 0.09M = 26.0525

M = 26.0525/0.9 * 0.09

M= 321.6 g/Mol

8 0
3 years ago
Someone please help me , number 14
MrRa [10]
We know, 

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6 0
3 years ago
Consider a sample of oxygen gas at 27 went a volume of 9.55L at a pressure of 2.97 atm. The pressure is changed to 8.25 atm and
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Answer:

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