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Calculate the molarmass of a nonelectrolyte that lowers the freezing point of 25.00g of water to -3.9 degrees C when 4.27 g of the substance is dissolved in the water.
Importance of Chemistry in Life - Chemistry in Action Chemistry plays vital role in our regular life from the starting, it has been in the service of mankind. Our daily needs o
Antihistamines: Antihistamines are chemical substances that abolish/diminish the major actions of histamine released in the body and therefore avoid the allergic effects. Alter
Calculate how much heat energy is required to raise the temperature of a cube of copper of side 2cm. from 300 to 320k. given: density=8933kg/m cube , atomic weight=63.55, cp=24j/k/
Why is geometrical isomers not possible in tetrahedral complexes having two different types of unidentate ligands? Ans) Tetrahedral complexes do not show geometrical isomerism be
The shape of d xy orbital will be: (1) Circular (2) Dumb-bell (3)Double dumb-bell (4) Trigonal Ans: Double dumb-bell
When does intrinsic semiconductor become an extrinsic semiconductor? Illustrate. Semiconductor doping is the process which changes an intrinsic semiconductor to an extrinsic se
Q. Can you explain Texture? Texture indicates the characteristic of a food and would include descriptive parameters like graininess, softness, chewiness, brittleness etc. The t
The amount of energy released when one mole of bonds are formed among the corresponding gaseous atoms is known as Bond energy.
mechanism of picricacids
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