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Name the building blocks of lecithin.
Show the head and tail structures of both lipids in the structure above.
Lipids are substances that are soluble in organic solvents like chloroform, but hardly soluble in water.
How viscosity and surface tension help in ascertaining criteria of purity for organic compounds
A 64-g sample of germanium-66 is left undisturbed for 12.5 hours. At the end of that period, only 2.0 g remain. What is the half-life of this material? 4. With a half-life of 28.8
Break point chlorination: It may be defined as the chlorination of water to such an extent that not only living organism but also other organic impurities in water are destroyed.
The electronic configuration of calcium ion ( Ca2 + ) is: (1) 1s 1 , 2s 2, 2p 6 , 3s 2 , 3p 6 , 4s 2 (2) 1s 1 , 2s 2 , sp 6 , 3s 2 , 3p 6 , 4s 1
1. The pH of a 0.02 M solution of an acid was measured as 4.6. a) What is the [H + ] of the solution? b) What is the acid dissociation constant K an
Ions which have the same electronic configuration are those of: (1) Lithium and sodium (2) Sodium and potassium (3) Potassium and calcium (4) Oxygen and chlorine An
Q. What is chlorofluorocarbon? A chemical is some substance that has a definite composition. Ozone is a chemical which is made up of three particles of oxygen. Ozone forms a th
Methods yielding mixture of amines - Hofmann's method Hofmann's method: The mixture of amines (1°, 2° and 3°) is made by the alkylation of ammonia along with alkyl halides.
why does evaporation causes cooling
Calculation of empirical formula The steps included in the calculation are as follows, (a) Divide the percentage (%) of each element by its atomic volume. This gives th
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