3. A 6m3 tank contains helium at 127 C and in evacuated from atmospheric pressure to a pressure of 740 mm Hg vacuum. Determine (a) mass of helium remaining in the tank (b) mass of helium pumped out (c) the temp of the remaining helium falls to 10 C, what is the pressure in Kpa? R of helium is 2077.67 J/kg-K.

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Chapter1: Units, Trigonometry. And Vectors
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3. A 6m3 tank contains helium at 127 C and in evacuated from atmospheric pressure to a
pressure of 740 mm Hg vacuum. Determine (a) mass of helium remaining in the tank (b) mass
of helium pumped out (c) the temp of the remaining helium falls to 10 C, what is the pressure
in Kpa? R of helium is 2077.67 J/kg-K.
Transcribed Image Text:3. A 6m3 tank contains helium at 127 C and in evacuated from atmospheric pressure to a pressure of 740 mm Hg vacuum. Determine (a) mass of helium remaining in the tank (b) mass of helium pumped out (c) the temp of the remaining helium falls to 10 C, what is the pressure in Kpa? R of helium is 2077.67 J/kg-K.
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