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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
Explain the Gibbs Phase Rule for Multicomponent Systems? The Gibbs phase rule for a pure substance was written F = 3 - P. We now consider a system of more than one substance an
Physical Properties of Cinnamic Acid (a) Cinnamic Acid is a white crystalline solid and its melting point 133° C . (b) Cinnamic Acid is sparingly soluble in water. (c) Ci
Condensation reaction of carbonyl compounds Nucleophilic addition reaction of compounds comprising carbonyl group along with those compounds that have at least one acidic hydro
Indicate whether the following thermal reactions are allowed concerted reactions by the Woodward-Hoffmann criteria. Classify the reaction according to type. On the basis of
Neutrons are found in atoms of all elements except in: (1) Chlorine (2) Oxygen (3) Argon (4)Hydrogen Ans: Hydrogen
Factor of affecting conductions
It is a phenomenon in which compounds have same moleculer formula but different structural formula due to which they posses different physical and chemical properties.
Fe(atomic number = 26) atom has the electronic arrangement: (1) 2, 8, 8, 8 (2) 2, 8, 16 (3) 2, 8,14, 2 (4) 2, 8, 12, 4 Ans: 2, 8,14, 2
what are the chemical propertiies of acid halide?
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
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