Application of Joule-Kelvin Effect in Gas Liquefaction
Joule’s crude experiments on the expansion of a gas into a vacuum(free expansion) suggested that in such an expansion the gas lost no internal energy,…
Joule’s crude experiments on the expansion of a gas into a vacuum(free expansion) suggested that in such an expansion the gas lost no internal energy,…
The action of a refrigerator depends on the absorption of its latent heat by a liquid, which can be referred to as the working substance….
Regnault’s dew point hygrometer is an instrument used in hygrometry to measure relative humidity. However many forms of dew point hygrometer have been devised, but…
Pyrometry is the measurement of high temperatures by observing the radiation from the hot body. There are however other methods which are sometimes used in…
A dilatometer is an instrument for rapidly but roughly measuring the expansion of a liquid. It consists of a glass bulb B, with a graduated…
Tetraoxosulphate(VI) acid, other known as sulphuric acid has found several uses in the industries such as chemical, iron and steel and petrochemical. Below is a…
Stars are self luminous objects that shine by radiation obtained from energy sources that are found within them. The sun is a typical star. Stars…
Zinc is a transition element but does not possess most on the characteristic features of other transition elements. For instance, it does not form colored…
Gold-Leaf Electroscope is one of the instruments used for testing positive and negative charges. It consisted of a metal rod, A to which gold leaves,…
In discussing equipotentials, we must admit that the earth must have the same potential with all over, because it is a conductor. In a conductor,…