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Veseljchak [2.6K]
3 years ago
8

Youll get brainliest!!!

Chemistry
1 answer:
Dmitrij [34]3 years ago
7 0
<span>A. Mechanic agitations</span>
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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
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3 years ago
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How often do girls normally experience menstruation a.once every 30 days b. once every 29 c.once every 28 d.once every 27
kramer

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i think answer is a, every 30 days

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PLSSSS HELP I NEED ASAP
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Answer:

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Examples of applied chemistry include creation of the variety of laundry detergents on the market and development of oil refineries.

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