What is the helium mass density
A 40.0 cm -diameter cylinder of helium gas is 50.0cm long and at 30.0 C. The pressure gauge reads 120 psi. How many helium atoms are in the cylinder? What is the mass of the helium? What is the helium number density? What is the helium mass density?
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A 40.0 cm -diameter cylinder of helium gas is 50.0cm long and at 30.0 C. The pressure gauge reads 120 psi. How many helium atoms are in the cylinder? What is the mass of the helium? What is the helium number density? What is the helium mass densit
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