Calculating molarity of a solution
Select the right answer of the question .The molarity of a 0.2 N N2Co3 solution will be: (a) 0.05 M (b) 0.2 M (c) 0.1 M (d)0.4 M
Describe the importance of organic chemistry?
introduction for polyhalogen compound
Separation by distillation can be described with a boiling point diagram. The important process of distillation can now be investigated. From the boiling point diagram one can see that if a small amount of vapour were removed from a liquid of composit
The following mixture of hydrocarbons is obtained as one stream in a petroleum refinery. Q : Some basic concepts of chemistry an an atom of an element is 10.1 times heavier than the mass of a carbon atom.What is its mass in amu?
an atom of an element is 10.1 times heavier than the mass of a carbon atom.What is its mass in amu?
Nucleophilic substitution reactions in halides containing - X bond may take place through either of the two different mechanisms,S<
The free energy property leads to convenient expressions for the volume and pressure dependence of internal energy, enthalpy and the heat capacities.All the properties of a chemical system, a sample of a substance, or a mixture of substances have some fixe
Fluorine yields only one oxyacid, hypo
Provide solution of this question. According to Raoult's law the relative lowering of vapour pressure of a solution of volatile substance is equal to: (a) Mole fraction of the solvent (b) Mole fraction of the solute (c) Weight percentage of a solute (d) Weight perc
what is the meaning of fourth power of valency of an active ion?
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