Question

9. According to kinetic-molecular theory, in which of the following gases will the root-mean-square speed of the molecules be the highest at 200 °C? А) НCІ B) Cl2 C) H2O

D) SF6 E) None. The molecules of all gases have the same root-mean-square speed at any giventemperature.

Question image 1Question image 2Question image 3Question image 4Question image 5Question image 6