Molar mass
Select the right answer of the question. Which is heaviest: (a)25 gm of mercury (b)2 moles of water (c)2 moles of carbon dioxide (d)4 gm atoms of oxygen
Give me answer of this question. If 20ml of 0.4N, NaoH solution completely neutralises 40ml of a dibasic acid. The molarity of the acid solution is:(a) 0.1M (b) 0.2M (c)0.3M (d)0.4M
why o-toluidine is a weaker base than aniline?
What is the percent error in calculating the density of water using the ideal gas law for the following conditions: a. 110 oC, 1 bar b. 210 oC 10 bar c. 374 o
what is the meaning of fourth power of valency of an active ion?
A lean natural gas is available at 18oC and 65 bars and must be compressed for economical pipeline transportation. The gas is first adiabatically compressed to 200 bars and then isobarically (i.e. at constant pressure) cooled to 25°C. The gas, which is
Karl Scheele, the Swedish chemist, was
Why oxidising character of oxoacids of halogens decreases as oxidation number increases?
an atom of an element is 10.1 times heavier than the mass of a carbon atom.What is its mass in amu?
Briefly describe the function of the monosaccharide?
Write a short note on the formula of diesel, petrol and also CNG?
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