What law is associated with blackbody radiation? There are four laws that describe the blackbody radiation Planck’s law: The primary law... View Article
Why is the average velocity of the molecules in a gas zero? The velocity of the molecule is a vector quantity. The number of molecules moving... View Article
Capillary action is the movement of water molecules through the gaps in the porous material due to cohesive force, adhesive force and surface... View Article
The inductor is a device that stores energy in the form of a magnetic field. When a current varying with time is passed through the coil there... View Article
What is the relationship between boiling point and vapour pressure? The particular temperature at which the vapour pressure of the liquid becomes... View Article
What are the source of sound? The source of sound can be both natural or man-made. Few examples of natural sound sources are humans, animals,... View Article
Interference is a phenomenon in which there is a modification in the intensity of the light due to the superposition of two or more waves. The... View Article
What are the free electrons in the conduction? Free electrons are not tied to any atoms or molecules and are free to move under the influence of... View Article
What is damped free vibration? The movement of the object after it gets stuck by a sudden blow is called damped free vibration. For example, a... View Article
Concentrations expressed in molality are used in the analysis of vapour pressure and temperature changes-related solution properties. Molality is... View Article
Potassium dichromate is a salt of potassium and is the dichromic acid dipotassium salt. As an oxidising agent, an allergen and a sensitiser, it... View Article
In most cases, synthetic polymers are manufactured from petroleum derivatives. Low cost, fair specific strength, chemical resistance and ease of... View Article
Molecules of water form hydrogen bonds with each other. A hydrogen bond with a partial positive charge on the hydrogen of other molecules may... View Article
Sodium (alkali metal) ionisation energy is 496 KJ/mol, while the first ionisation energy of chlorine is 1251.1 KJ/mol. Because of this disparity... View Article
A light-rotating chiral molecule is said to be optically active. If the molecule rotates in the clockwise direction of plane-polarized light, we... View Article
As ethanol is applied to a small piece of sodium wire, it reacts slowly to provide hydrogen gas bubbles and leaves a colourless sodium ethoxide... View Article
The water molecule is so abundant that only memorising that water is a bent molecule is wise. In order to complete its octet, oxygen has 6... View Article
Coordination compounds are molecules that serve one or more ligands-bound metal centres (atoms, ions, or molecules that donate electrons to the... View Article
Magnesium oxide (MgO) is an ionic substance that crystallises and breaks into 100 and 111 planes in the rock-salt structure. In nature, it is... View Article
The maximum useful work that can be obtained from a device at constant temperature and constant volume in a reversible phase is proportional to... View Article
