Calculate the molarity of water if its density,is `1000 kg//m^3`.

Calculate the boiling point of 1(M) KCI soln density 1.04 gm/cc (Kb =0.52K. Kg. mol^(-1)

Calculate the depth of water in a cistern which is filled with water of density 1000 kg//m^(3) and pressure at any point on its bottom is 9800N//m^(2) , Take g=9.8m//s^(2)

Relative densities of two substances P and Q are 3.5 and 0.8 respectively. Find the densities of P and Q. also find whether they will float or sink in water (given that density of water=1000 kg/ m^(3) )

A sphere contracts in volume by 0.02% when taken to the bottom of sea one km deep. Find bulk modulus of the material of the sphere. Density of sea water is 1000kg//m^3 .

Calculate the molarity of a solution of ethanol in water in which the mole fraction of ethanol is 0.040 (assume the density of water to be one).

Two identical charged spheres are suspended by strings of equal lengths. The strings make an angle 30^@ with each other. When suspended in a liquid of density 800 kg/ m^3 , the angle remains the same. What is the dielectric constant of the liquied? The density of the material of the sphere is 1600 kg/ m^3 .

Calculate the hardness of water in ppm. when 10 gm MgCl_2 and 15 gm Cal(OH)_2 are dissolved in 1000 gm water.

A square plate of side 10 cm is placed horizontally 1 m below the surface of water. The atmospheric pressure is 1.013xx10^5 N//M^2 . Calculate the total thrust on the plate. (Density of water d = 10^3kg//m^3, g = 9.8m//s^2 )