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The first element of a group in second period shows striking resemblance to the element of the next group of the third period i.e., diagonally opposite element. This is often termed as diagonal relationship. Examples: Li resembles Mg, Be resembles A..

Also H = E + PV For an ideal gas, PV = RT Therefore H = E + ..

1 mole of an atom = 1 gram atomic weight of an atom 1 mole of a molecule = 1 gram molecular weight of molecule 1 mole of a gas = 22.4 liters of gas at STP 1 mole of a substance = 6.023 x 10 2 3 , atoms, molecules or ions Molecular weight = 2 x Vapor density 1 molar volume = ..

1 mole of an atom = 1 gram atomic weight of an atom 1 mole of a molecule = 1 gram molecular weight of molecule 1 mole of a gas = 22.4 liters of gas at STP 1 mole of a substance = 6.023 x 10 23 , atoms, molecules or ions 1 molar volume = 22.4 dm3 /L at ST..

You shouldn't be singing if you have a sore throat. You shouldn't have ordered that chocolate desser..

The two formulas are related as Molecular formula = n x empirical formula where 'n' may have whole number values 1,2,3 . The value of 'n' can be obtained by the following relationship Therefore, the molecular formula of benzene is 6 x (CH) = C 6 H ..

The two formulas are related as: Molecular formula = 'n' x empirical formula where 'n' may have whole number values 1,2 3 …… The value of 'n' can be obtained by the following relationship For e.g., the molecular mass of benzene is 78 and its empirical formula is CH an..

The similarity of properties such as electronegativity, ionization energy, size etc. between the diagonal elements is the cause of diagonal relationship. For example, on moving from left to right across a period, there is an increase in electronegativity while, moving down in the group t..

. The above equation can be rewritten as K p = K c (RT)..

Gene Metabolism Relationship - The concept that genes have the information to produce enzymes which are proteinaceous in nature was proved by George Beade and Edward Talium in the early 1940s with their work on the fungus Neurospora crassa. This mould can normally grow in a simple minimal..