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The value of Planck's constant is 6.63x 10 -34 Js. The velocity of light is 3.0x 10 8 ms -1 . Which value is closest to the wavelength in nanometres of a quantum of light with
Which one of the following is considered as the main postulate of Bohr's model of atom: (1) Protons are present in the nucleus (2) Electrons are revolving around the nucleu
A piston device haves 0.8 kg of an ideal gas initially at 200 kPa and 30oC. The gas is then compressed slowly in a polytropic process during which PV1.3 = constant until the volume
Distinguish between van''t Hoff Method and Oswald Isolation Method. In each case give an expression for the rate of reaction.
how do you prepare 100mM pH 7.4 of Potassium phospate buffer
Mention two properties of acetonitrile b of which it acts as a good solvent. Draw a diagram showing the formation of bonding and antibonding molecular orbitals by the LCAO in ho
Relationship between nucleon number,proton number and the number of neutrons.
what is diagonal relationship?
explain why Ni(co)4 is known while Ca(co)4 is not known
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
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