A 50-Liter Gas Tank Holds 1

question 41

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

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The transmission of messages or signals through a non-linguistic means, such as facial expressions, body language, and gestures.

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