Multiple Choice
A 5.0-liter gas tank holds 1.7 moles of monatomic helium (He) and 1.10 mole of diatomic oxygen (O2) ,at a temperature of 260 K.The ATOMIC masses of helium and oxygen are 4.0 g/mol and 16.0 g/mol,respectively.What is the ratio of the root-mean-square (thermal) speed of helium to that of oxygen?
A) 1.4
B) 2.0
C) 2.8
D) 4.0
E) 5.6
Correct Answer:
Verified
Correct Answer:
Verified
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