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Sagot :
There will be 0.39 moles
Take a look at the He gas in the tank:
P = 2.80 atm, or pressure
Volume = 5.00 liters.
T = (273 + 155) is the temperature. K = 428 K
R = 0.08206 L atm/L of gas (mol K)
Charle's law, Boyle's law, and Gay-Lussac law are the three gas laws that make up the combined gas law, commonly referred to as a general gas equation. For a certain amount of gas, the law illustrates the relationship between temperature, volume, and pressure.
Gas law PV = nRT
So, n = PV/. (RT)
He gasses number = 2.80 x 5.00 / (0.08206 x 428) mol equals 0.39 mol.
Learn more about Gas law here-
https://brainly.com/question/12667831
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