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Furkat [3]
2 years ago
11

Which one of these is it?

Chemistry
1 answer:
Yuri [45]2 years ago
5 0

Answer:

A massive explosion.

Explanation:

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At what temperature will 0.654 moles of helium gas occupy 12.30 liters at 1.95 atmospheres?
DedPeter [7]

Answer:

447,25k

Explanation:

According to the ideal gas law

PV=nRT

Where:

P: is the pressure of the gas in atmospheres.

V: is the volume of the gas in liters.

n: number of moles of the gas

R: ideal gas constant

T: absolute temperature of the gas in kelvin

now using:

T=\frac{PV}{nR}\\ \\T=\frac{12,3L.1,95atm}{0,654mol.0,082(L.atm/K.mol)}\\ \\T=447,25K

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3 years ago
What type of attraction is the basis for hydrogen bonds (imf)?
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Hydrogen bonds are strong intermolecular forces created when a hydrogen atom bonded to an electronegative atom approaches a nearby electronegative atom. Greater electronegativity of the hydrogen bond acceptor will lead to an increase in hydrogen-bond strength.
I hope this helps
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3 years ago
26 g of zinc combines with 12.8 g of sulfur. What is the empirical formula of zinc sulfide?
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Moles of S: 12.8 / 32 = 0.4

Molar ratio of Zn : S = 1 : 1
Empircal formula: ZnS

The answer is C
7 0
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Which of these is the final result of secondadry succession?
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a

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ADAPTATIOnn but if thhere would be an option o all the above it would be that

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Answer:

The answer should be A

Explanation:

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