What is the density of water at a depth where pressure is 80.0 atm, given that its density at the surface is `1.03 xx 103 kg m^-3`?

Hundred gram of Al(HNO_3)_3 (molar mass 213 gmol^-1 ) is dissolved in 1 L of water at 20^@C . The density of water at this temperature is 0.9983 gcm^-3 and the density of resulting solution is 0.9990 gcm^-3 . Calculate the molarity and molality of this solution.

A wire having a mass of 0.45 kg posseses a resistanfce of 0.014 Omega . If the resistivity of the material fo wire is 1.78 xx10^-7 Omegam , calculate its length and radius. Given that the density of the material of wire is 8.93 xx10^3 kg m^-3

Compare the densities of water at the surface and bottom of a lake 100 m deep, given that the compressibility is (10^-3)/(22) per atm and 1 atm = 1.015 xx 10^5 Pa .

Given that resistivity of copper is 1.68 xx 10^-8Omega m. Calculate the amount of copper required to draw a wire 10 km long having resistane 10Omega . The density of copper is 8.9 xx 10^3 kg m^-3

Mercury has an angle of contact equal to 140^@ with soda lime glass. A narrow tube of radius 1.00 mm made of this glass is dipped in a trough containing mercury. By what amount does the mercury dip down in the tube relative to the liquid surface outside ? Surface tension of mercury at the temperature of the experiment is 0.465 N m^-1 . Density of mercury = 13.6xx 10^3 kg m^-3 .

What is the excess pressure inside a bubble of soap solution of radius 5.00 mm,given that the surface tension of soap solution at the temperature (20^@C) is 2.50xx 10 2 N in 1 ? If an air bubble of the same dimension were formed at depth of 40.0 cm inside a container containing the soap solution (of relative density 1.20), what would be the pressure inside the bubble ? (1 atmospheric pressure is 1.01xx 105 Pa).

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. Wahat is the dielectric constant of the liquid? The density of the material of the sphere is 1600 kg m^-3

Glycerine flows steadily through a horizontal tube of length 1.5 m and radius 1.0 cm. If the amount of glycerine collected per second at one end is 4.0xx 10^-3 kg s^-1 , what is the pressure difference between the two ends of the tube ? (Density of glycerine = 1.3xx 10^3 kg m^-3 and viscosity of glycerine = 0.83 Pa s). [You may also like to check if the assumption of laminar flow in the tube is correct].

The density of a 2.05 M acetic acid in water is 1.02gcm^-3 . Calculate the molality of the solution.

Relative density of gold is 19.3. The density of water is 1000 kg m^-3 . What is the density of gold in SI units.