The table below which presents two physical properties of four substances at room temperature (25°C). Which substance(s) will have fast moving particles?
Substance
P
Q
R
S
Melting Point
(°C)
-285
800
190
-20
Boiling Point
(°C)
–183
1400
180
350
P only
R only
P and S only
Q and R only​

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

What is the molar mass of ca(cio4)2

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?