A 10-cm-diameter cylinder of helium gas is 30 cm long and at 20C. The pressure gauge reads

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A 10-cm-diameter cylinder of helium gas is 30 cm long and at 20°C. The pressure gauge reads 120 psi. 

a. How many helium atoms are in the cylinder? 

b. What is the mass of the helium?

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College Physics A Strategic Approach

ISBN: 9780321595492

2nd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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