Potential Energy of a spring
Energy possessed by the spring by virtue of compression or expansion against elastic force in the spring is known as elastic potential energy or...
Orbit Overlap Concept
Orbit Overlap Concept
According to orbital overlap concept, the formation of a covalent bond between two atoms results by pairing of electrons present in the...
Enthalpies for Different types of Reactions
Standard enthalpy of combustion (symbol: ∆c H⊖)
It is the Enthalpy change taking place when one mole of a compound undergoes complete combustion in the...
Hydraulic Machines
The external pressure is applied on any part of a fluid contained in a vessel, it is transmitted undiminished and equally in all directions....
Stress-Strain relationship curve
Stress strain curve is used to understand the tensile strength of a given material. The given figure shows a stress-strain curve of a given...
Heat And Temperature
The branch dealing with measurement of temperature is called thermometry and the devices used to measure temperature is called thermometers.
Heat
Heat is a form of...
Common Ion Effect & Hydrolysis of Salts
Common Ion Effect
If in an aqueous solution of a weak electrolyte, a strong electrolyte is added having an ion common with the weak electrolyte,...
Heavy Water (D2O)
It is used in the preparation of other deuterium compounds.
Uses of D2O:
It is used as moderator in nuclear reactors.
...
Resolution of a vector in a plane and Unit Vector
Resolution of a Vector in a Plane:
Let a and b be any two nonzero vectors in a plane with different directions and let A...
Anomalous expansion of water
It contracts on heating between 0 °C and 4 °C. The volume of a given amount of water decreases as it is cooled from...