Last seen: Jan 13, 2022
According to Henry's law, the solubility of gas in a liquid is directly proportional to the pressure of the gas. X = Kh × P X is the mole fraction...
According to Henry's law, the solubility of gas in a liquid is directly proportional to the pressure of the gas. X = Kh × P X is the mole fraction...
Dissolution of gas in liquid is an exothermic process and heat is evolved during dissolution. Gas + Liquid ⇌ Solution + Heat With increase in te...
The presence of molecular interactions (inter-molecular hydrogen bonds) in a solution of alcohol and water lead to positive deviation from Raoult's la...
15 ppm corresponds to 15 g chloroform in 1000, 000 g of solution. (i) Percent by mass = Mass of chloroform/Mass of solution × 100 Percent by mass ...
Since, ethylene glycol is in excess, it is a solvent and water is a solute. Molar mass of water is 18 g/mol. Number of moles of solute = 200/18 ...
Given that a solution is obtained by mixing 300 g of 25% solution and 400 g of 40% solution by mass. Total mass of solution = 300 + 400 = 700 g ...
Let the mixture contains x g of sodium carbonate and 1 - x g of sodium bicarbonate. The molar masses of sodium carbonate and sodium bicarbonate are...
10% w/w glucose solution corresponds to 10 g glucose present in 100 g of solution which contains 90 g of water. (i) Molality is the number of moles...
The molar mass of nitric acid is 63 g/mol. It is given that the nitric acid used in laboratory is 68% by mass in aqueous solution. 100 g of solu...
(i) Mole fraction: It is the ratio of the number of moles of a particular component to the total number of moles of all the components in the mixture....
An example of a solid solution in which the solute is a gas is a solution of hydrogen gas in palladium. It is an interstitial solid solution. The solv...
Solutions are homogeneous mixtures of two or more than two components. There are three types of solutions: (i) Gaseous solution: The solvent is a...
Substances like iron, cobalt, nickel, gadolinium and CrO2, are known as the ferromagnetic substances and make better permanent magnets as they are att...
This impurity should belong to group 15.
Let us take an example of NaCl to explain this when NaCl crystals are heated in a sodium vapor atmosphere, sodium atoms are deposited on the crystal’s...
When a cation of higher valence is put in an ionic solid, it starts replacing cations of lower valency such that the crystal remains electrically neut...
(i) Frenkel and Schottky defects are present in AgBr. (ii) ZnS contains Frenkel defect.
Heating solids produce vacancy defects in the crystal. This means that when the heat is applied to the solid, some ions or atoms leave their lattice s...
Given, Density, d = 2.7 × 103 kg m-3 Molar mass, M = 2.7 × 10-2 kg /mol Edge length, a = 405 pm = 405 × 10-12 m = 4.05 × 10-10 m We know, Avog...