Define:- (A) hund's rule (b) electronegativity (c) entthalpy of fusion (d)gay lussac's law of gaseous volume (e) Le chaterial's principle (f)Dakton's law partial pressure (g) Biochemical oxygen demand
Answers
Explanation:
A) Hund's rule of maximum multiplicity is a rule based on observation of atomic spectra, which is used to predict the ground state of an atom or molecule with one or more open electronic shells
B) Electronegativity, symbolized as χ, is the tendency of an atom to attract shared electrons (or electron density) to itself.
C) The enthalpy of fusion of a substance, also known as (latent) heat of fusion is the change in its enthalpy resulting from providing energy, typically heat, to a specific quantity of the substance to change its state from a solid to a liquid, at constant pressure.
D) This law, formulated by Gay Lussac, states that, "the ratio between the volumes of gaseous reactants and products can be expressed in simple whole numbers.
E) Le Chatelier's principle (also known as "Chatelier's principle" or "The Equilibrium Law") states that when a system experiences a disturbance (such as concentration, temperature, or pressure changes), it will respond to restore a new equilibrium state.
F) According to Dalton's law of partial pressures, the total pressure by a mixture of gases is equal to the sum of the partial pressures of each of the constituent gases. The partial pressure is defined as the pressure each gas would exert if it alone occupied the volume of the mixture at the same temperature
G) Biochemical oxygen demand (BOD) represents the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic (oxygen is present) conditions at a specified temperature. ... The decay of organic matter in water is measured as biochemical or chemical oxygen demand
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