Question: 2) Michael, Timofey and Egor are doing experiments on gases. A 5.0-liter gas tank holds 1.7 moles of monatomic helium (He) and 1.10 mole of

2) Michael, Timofey and Egor are doing experiments on gases. A 5.0-liter gas tank holds 1.7 moles of monatomic helium (He) and 1.10 mole of diatomic oxygen (02), 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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