The solubility of o-nitrophenol and p-nitrophenol is 0.2 g and 1.7 g / 100 g of `H_2O` respectively Explain the difference.

The mole fraction of nitrogen , in a mixture of 7g of N and 16g of O is ______.

How many g of H_2O are present in 0.25 mol of it?

How many g of H_2 O are present in 0.25 mol of it ?

The molecularity and order of the reaction 2NO_(g)+O_(2(g)) rarr 2NO_(2(g)) are_____respectively.

The volume of oxygen liberated from 0.68g of H_(2)O_(2) is

The enthalpies of formation of N_2O and NO at 298 K are 82 and 90 kJ mol^(-1) . The enthalpy of the reaction : 2N_2O_((g)) + 1/2 O_(2(g))rarr 4NO_((g)) is

0.30g of an organic compound containing C, H , and O an combustion yields 0.44g of CO_(2) and 0.18g of H_(2) O . If its molecular mass is 60 mu the molecular formula will be

On the basis of thermochemical equations (i), (ii) and (iii), find out which of the algebraic relationships given in options (a) to (b) is correct i) C("graphite") + O_2(g) rarr CO_2(g), Delta_rH = x kJmol^-1, ii)C("graphite") + 1/2O_2(g) rarr CO_2(g), Delta_rH = y kJmol^-1, iii)CO+1/2O_2(g) rarr CO_2(g), Delta_rH = z kJmol^-1

K_H value for Ar(g), CO_2(g), HCHO(g) and CH_4(g) are 40.39, 1.67, 1.83 xx 10^-5 and 0.413 respectively. Arrange these gases in the order of their increasing solubility.