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The mass of a photon with a wavelength equal to 1.54 x 10 -8 cm is:
(1) 0.8268 x 10 -34 kg
(2) 1.287 x10 -33 kg
(3)1.4285x 10 -32kg
(4) 1.8884 x 10 -32 kg
ans: 1.4285x 10 -32
Stereochemical arrangement has an issue whenever an atom is bonded to two or more others. Thus triatomic substance AB2 can be bent or linear. It is observed that when a central ato
Co-ordination covalent bond is produced by the mutual sharing of pair of electrons among two atoms contributed by only one of the combining atoms.
Write a reaction for which the enthalpy change will be (delta H) for solid aluminum oxide.
Why phenol can also be prepared from chlorobenzene(Dow''s process)
what i am writing about this
Coordination complexes are so pervasive that the structure and reactions are defined in many ways, sometimes confusingly. The atom within a ligand that is bonded to the central ato
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
Q. What do you understand by Canning? Canning involves the application of heat that is high enough to destroy all pathogenic microorganisms and their spores present along with
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the given solution contains 2.5g of laundry soap dissolved per 250 cubic cm.determine the amount of free alkali in 350 cubic cm.
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