transactions processing systems

Isothermal process is that in which the temperature of the system remains constant. Adiabatic process is where there is no exchange of heat between the system and the surrounding. Isobaric process is when the pressure on the system remain..

An isothermal process is a constant-temperature process. For a process to be isothermal, any heat flow into or out of the system must occur slowly enough so that thermal equilibrium is maintained. In general, none of the quantities D U, Q or dW is zero in an ..

In Louisiana (USA) and Gulf of Mexico large sulphur deposits occur at a depth of about 300-400 metres below the earth's surface. Layers of soft sand, clay and rocks over these sulphur beds make it practically impossible to extract sulphur from the deposits. Hermen Frasch in 1894 devised a brillian..

Consider a sample of an ideal gas kept in an enclosure. The state of the gas is described by specifying its pressure P, volume V and temperature T. If these parameters can be uniquely specified at a time, we say that the gas is in thermodynamic equilibrium. If we put the enclosure on a hot stove, t..

It is a well-known fact that all physical and chemical processes are accompanied by energy changes. It is possible to interpret various spontaneous processes on the basis of changes in energy. Consider the spontaneous processes such as falling of a cricket ball from o..

(i) Once a reaction between hydrogen and oxygen is initiated by passing electric spark through it, then it occurs itself spontaneously even at room temperature. (ii) In domestic oven, coal (carbon) keeps on burning once initiated ignition (iii) Methane burns with oxygen once ignited. From th..

The process of supplying water to crops in the fields by means of canals, reservoirs, wells, river valley systems and river lift systems is known as irrigati..

Physical processes that shape the patterns of Earth's surface Characteristics and spatial distribution of ecosystems on Earth's surfac..

Physical processes that shape the patterns of Earth's surface Characteristics and spatial distribution of ecosystems on Earth's surfac..

Physical processes that shape the patterns of Earth's surface Characteristics and spatial distribution of ecosystems on Earth's surfac..