04 )Dalton

1.	04 )Dalton
Answer» Dalton law- In chemistry and physics, Dalton's law states that in a mixture of non-reacting gases, the total pressure exerted is equal to the sum of the partial pressures of the individual gases. This empirical law was observed by John Dalton in 1801 and published in 1802. and is related to the ideal gas laws.b) Avogadro law: a law stating that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules.c) Berzelius law: An avid and methodical experimenter, Jöns JakobBerzelius(1779–1848) conducted pioneering experiments in electrochemistry and established thelawof constant proportions, which states that the elements in inorganic substances are bound together in definite proportions by weight.d) hunds rule: 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

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