(c) If the evaporating basin is heated too strongly some of the solid decomposes to form a gas.
Explain how this strong heating would affect the value of the calculated solubility of
the solid.
(3)

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

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?

The diagin dilutepage 6 of 12a6a5(a)fluorine, chlorine, bromine and iodine are placed in the same group of theperiodic table.state the common name used to describe elements in this group.(i)state the group in which the elements are placed and explain whythey are placed in that group.(ii)which of the above named elements is a solid at roomtemperature and pressure?