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kobusy [5.1K]
3 years ago
12

How does the Bohr's model of the atom differ from the quantum mechanical model?

Chemistry
1 answer:
Tom [10]3 years ago
5 0
Bohr model is valid only for hydrogen and hydrogen-like species, but quantum mechanical model can explain all elements....
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A helium-filled weather balloon has a volume of 512 L at 18.9°C and 756 mmHg. It is released and rises to an altitude of 2.14 km
vazorg [7]

633.97 L

Explanation:

Well use the combined gas law;

P₁V₁T₁ = P₂V₂T₂

We need to change the temperatures into Kelvin;

18.9°C= 292.05 K

5.9°C = 279.05 K

756 * 512 * 292.05 = 639 * V₂ * 279.05

113,044,377.6 = 178,312.95 V₂

V₂ = 113,044,377.6 / 178,312.95

V₂ = 633.97 L

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Answer:

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Answer:

Explanation:

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There are 9.88x1023 molecules of O2 available.
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Answer:

1.64 moles O₂

Explanation:

Part A:

Remember 1 mole of particles = 6.02 x 10²³ particles

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