Air forms a gaseous envelope that surrounds the Earth known as the atmospheric envelope or atmospheric air. The atmospheric envelope of the Earth is a gaseous envelope surrounding the Earth that rotates with it...
Particles of any material are moving in a continuous random motion , this type of motion differs according to the state of matter , So , we find that Solid molecules move in vibrational...
The aqueous manometer is preferred to the mercuric one to measure small pressure differences because the density of water is small compared to that of mercury , So , the difference in water levels...
The atmospheric pressure is the weight of a column of air above the Earth’s surface per unit , As we go up , the height of this column decreases , so does the pressure...
Matter can be found in nature in one of three states which are solid , liquid , gas , Solid materials ( like wood and glass ) have a definite shape and volume ,...
The properties of solutions differ from the properties of the pure solvents forming them after dissolving a non–volatile substances at the same conditions , these new properties are called Colligative properties .
