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Q. Define the Planck constant?
The energy of a photon (Ephoton) of a certain frequency (violet) is able to be calculated by using the following equation in which h represents Planck's constant (h = 6.626 * 10-34 J*s).
Ephoton _ h
Types of burner system in AAS
THermodynamic free enrgy is the amount of work a thermodynamic system can perform. The concept is useful in the thermodynamics of chemical or thermal processes in engineering and
what are limitations of nerst distribution law
For d electrons, the azimuthal quantum number is: (1) 0 (2) 1 (3) 2 (4) 3 Ans: 2
definition for entropy?
An ion has 18 electrons in the outermost shell, it is: (1) Cu + (2) Th 4+ (3) Cs + (4) K + Ans
In covalency : (1) Electrons are transferred (2) Electrons are equally shared (3) The electron of one atom are shared between two atoms (4) None of the above Ans: E
Q. What do you understand by dissolved oxygen in water? How does it create trouble in boiler? Give chemical methods with suitable reactions to remove it from the water. Ans.
Quantitative determination of a number of ions like Cu, Ag, Zn, Fe, Ni, Co, Cd etc. has been done by using 1.2.3-benztiazole as precipitating agent under different experimental c
What are trihydric alcohols? What are their preparation methods? What are their physical properties?
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