The density of helium gas at 0°C is p. = 0.179 kg/m3. The temperature is then raised to T = 95°C, but the pressure is kept constant. Assuming that helium is an ideal gas, calculate the new density p, of the gas. kg/m3
The density of helium gas at 0°C is p. = 0.179 kg/m3. The temperature is then raised to T = 95°C, but the pressure is kept constant. Assuming that helium is an ideal gas, calculate the new density p, of the gas. kg/m3
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter20: Kinetic Theory Of Gases
Section: Chapter Questions
Problem 27PQ
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Step 1
Helium is an ideal gas.
The ideal gas equation is:
Again, Number of moles,
Step 2
Now, the temperature changes from to
The pressure and molar mass remain constant. throughout the process.
At the density is
Now,
So, The density of helium gas at is:
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