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lABELed diagras
Q. Illustrate phase diagram? Ans. There are two things which influence phase change: 1. The pressure exerted on the surface of a substance. 2. The addition or rele
Bond order is the number of chemical bonds between a pair of atoms. For example, in diatomic nitrogen N≡N the bond order is 3, while in acetylene H-C≡C-H the bond order between the
#question. CH3CH=CHCH +Br2 ___ .
why are lanthanides and actinides called innertransition metals
2. A mixture is prepared by adding 25.0 mL of 0.185 M Na3PO4 to 34.0 mL of 0.140 M Ca(NO3)2. (a) What mass of Ca3(PO4)2 will be formed? (b) What will be the concentrations of eac
Diazomethane has the following composition by mass: 28.57% c ,4.80% h and 66.64% n . The molar mass of diazometane is 42.04 g/mol. Find the molecular formula of diazomethane and dr
The quantity of heat liberated of absorbed when one mole of compound is formed in its standard state from its elements in their standard state is known as standard heat of formatio
The correct sequence of increasing covalent character is represented by: (1) LiCl 2 (2) BaCl 2 (3) NaCl 2
what are the swelling properties of sephadex (all of them, ie. G-10,G-15,G-25,G-75,G-100,G-150,G-200)? How much do they each swell and in which conditions? Thank you
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