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Q. Define the Planck constant?
The energy of a photon (Ephoton) of a certain frequency (violet) is able to be calculated by using the following equation in which h represents Planck's constant (h = 6.626 * 10-34 J*s).
Ephoton _ h
Electrovalent compound's: (1) Melting points are low (2) Boiling points are low (3) Conduct current in fused stat (4) Insoluble in polar solvent Ans: Conduct curre
Which of the following sets of orbitals may degenerate : (1) 2s, 2p x , 2p y (2) 3s, 3p x , 3d xy (3) 1s, 2s, 3s
Define Measuring the equilibrium cell potential? Figure shows how we can use a potentiometer to determine the equilibrium cell potential. Consider Figure (a). Outside the galva
How do we solve numerical problems in double titration
Thermodynamics Consider an ionic solid that dissolves in water according to the equation: The equilibrium constant for the reaction, is defined as the solubilit
Although cholrine is electoon withdrawing group.yet it is ortho nd para directing in electrophilic aromatic substitution reactants.why? Ans) Halogens are an exception of the dea
The surface area of the Pacific Ocean is 166000000000000m 2 . Write this quantity in scientific notation. To write the amount in scientific notation move the decimal point to after
Write the structures of monomers used in the preparation of: a. Teflon b. PMMA
which solution is formed when iodine solution ,copper sulphate and caustic soda are mixed?
Principal functional group-Polyfunctional Organic Compounds If the organic compound includes two or more functional groups, one of the functional sets is chosen as the princ
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