1 answer

Part A A welder using a tank of volume 7.60x10-2 m fills it with oxygen (with...

Question:

Part A A welder using a tank of volume 7.60x10-2 m fills it with oxygen (with a molar mass of 32.0 g/mol) at a gauge pressure

Part A A welder using a tank of volume 7.60x10-2 m fills it with oxygen (with a molar mass of 32.0 g/mol) at a gauge pressure of 2.90x105 Pa and temperature of 38.6°C. The tank has a small leak, and in time some of the oxygen leaks out. On a day when the temperature is 23.7°C, the gauge pressure of the oxygen in the tank is 1.60x105 Pa. Find the initial mass of oxygen. Express your answer in kilograms. VALD ? m = 413.79 kg Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B Find the mass of oxygen that has leaked out. Express your answer in kilograms. ΤΡΑ ΑΣΦ ? m = kg

Answers

Ginen data; P. = 2.90x105 pa (gauge). absolute Pi=10125+ 290000 = 391325 pa. V= 7.60 x 102m3 Ti-38.6 c = 31.6k. R for oxygen

Now Final Pressure 1060x10° pa (gauge) i absolute Pressure 101325 + 160000 Pa - 261328 Pa.</p><p>V= 7.60x102 me Tea 23.7°c 296.7 kanswer for part -(A) = 0.3673 kg

Part (B) = 0.1096 kg

.

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