4. If the relative molecular mass of CH20 is 60. calculate its empirical formula. (C = 12. H = 1
0 = 16)
A 4
В І
C2
D 3​

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?