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Molar conductivity:
The rate of charge transfer is proportional to the number of ions in the solution between the plates, which itself will vary with the concentration, c, of dissolved electrolyte. The molar conductivity, Λm, is defined as:
and allows for this variation with concentration. Λm values enable comparison of conductivities (or charge carrying capabilities) of an equivalent number of moles of electrolyte both as the type and the concentration of electrolyte is vary. These measurements allow variation in ions migration motion in these systems to be studied.
Fig. 2. The dependence of molar conductivity on concentration for (a) a strong electrolyte; (b) a weak electrolyte.
Sources of antioxidants The primary biological role of antioxidant is in preventing the damage that reactive free radical can cause to cells and cellular compounds. In fact, al
ether is more volatile than an alcohol both having same molecular formula. why?
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the standard EMF of cell Pt/H2
Nitrogen has the electronic configuration 1s 2 , 2s 2 , 2p 1 x , 2p 1 y , 2 p 1 z and not 1s 2 , 2s 2 , 2p 2 x , 2p 1 y , 2 p 0 z which is determined by: (1) Aufb
WHY DENSITY OF POTASIUM IS LOW THAN SODIUM.
Symmetry is a property of molecules having more than one atom of the same kind, with equal bond lengths and/or bond angles. As like the high symmetry of the SF6 molecule (Fig. 1. a
The magnetic quantum number for an electron when the value of principal quantum number is 2 can have: (1)3 values (2) values (3)9 values (4)6 values Ans: 3 values
Q1. a). Using diagram, explain how fluorescence detector optical bench works (5 marks) (b). Explain the applications of mass spectrometric detector (LC/MS) in HPLC (5 mar
As electron moves away from the nucleus, its potential energy: (1) Increases (2) Decreases (3) Remains constant (4) None of these Ans: Increases
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