Chemistry, 26.08.2019 09:30, mooneyhope24

When the temperature of a rigid hollow sphere containing 685 l of helium gas is held at 621 k, the pressure of the gas is 1.89 x 10^3 kpa. how many moles of the helium does the sphere contain? explain how you got the answer.

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When the temperature of a rigid hollow sphere containing 685 l of helium gas is held at 621 k, the p...