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?
A) HCl
B) Cl2
C) H2O
D) SF6
E) None. The molecules of all gases have the same root-mean-square speed at any given temperature.
Question 2
Vitamin D is a steroid-type vitamin that offers protection against
A) beriberi.
B) scurvy.
C) pellagra.
D) rickets.