example of selection pressure

>If mole fraction is used to represent the solubility of the gas in the solution, th..

An increase in pressure increases the solubility of a gas. For example, aerated water bottles contain carbon dioxide gas under pressure..

Some chemical reactions need very high pressure to proceed. For e.g., in the manufacture of ammonia from nitrogen and hydrogen (Haber's process), a pressure of over 200 atmosphere is required, in presence of a catalyst iron and a temperature of 450 o C to 500 o ..

Increase of pressure on the surface of a liquid increases the surface tension. Such effects are not large. The following two important phenomena are due to surface tensi..

) Why a person should lie down flat on thin ice (2) Rear wheels of buses and trucks are usually double. Similarly tanks and bulldozer's are fitted with caterpillar tracks rather than wheels and huge buildings and dams have wide bases. On the other hand, there are many applications which require lar..

Pressure - There are many situations in which effects of a force are better described in terms of force per unit area i.e. pressure..

When a force is applied on a surface in a direction perpendicular to the surface, the force is called thrus..

The readings of diastolic blood pressure of a group of volunteers for a medical experiment were normally distributed with a mean of 82 and a standard deviation of 8. If volunteers are to be selected from the middle 50% group, then find the upper and the lower readings, which qua..

Selection is an important technique in plant breeding. It involves picking the healthiest and the best ones out of the entire crop and reproducing them under controlled condition..

Selection - It is a process of selective improvement of a crop. In selection, a plant is selected based on its genotypic and phenotypic characters in order to improve some of its characters in its next generation. Natural selections have occurred in..