Concise Description of Optical Pyrometers
Pyrometers are instruments used in measuring high temperatures. It has found use extensively in several industrial processes where they are used in temperature monitoring and…
Physics
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,…
Concise Description of How a Refrigerator Works
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….
How Regnault’s Dew-Point Hygrometer Works
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…
Application of Pyrometry in High Temperature Measurement
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…
Uses and Working Principles of a Dilatometer
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…
Significance of the Laws of Thermodynamics in Metabolic Reactions
Energy conversions whether it is in a physical, chemical or biological system are all dependent on the Laws of Thermodynamics. These laws can, in a…
Industrial Uses of Tetraoxosulphate(VI) Acid
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…
Contact Process: Industrial Preparation of Tetraoxosulphate(VI) Acid
Contact Process: The contact process is the most widely used method of manufacturing tetraoxosulphate(IV) acid, otherwise called sulphuric acid on a commercial scale. The main…
Zinc, its Extraction, Properties and Uses
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…