How much should the pressure on a litre of water be changed to compress it by 0.10%?

The co-efficient of line expansion brass is 2*10^-5°C^-1 , By how much the temperature of a brass rod be increased so as increase its length by 4%.

Water is flowing steadily through a horizontal pipe of non- uniform cross-section. The pressure of water is 4xx10^4 at a point, where cross-section is 0.02m^2 and velocity of flow is 2ms^-1 . What is the pressure at a point, where cross-section reduces to 0.01m^2 ?

What concentration of nitrogen should be present in a glass of water at room temperature at 25^@C , a total pressure of 1 atm and mole fraction on nitrogen in air of 0.78 [ K_H for nitrogen = 8.42xx10^(-7)M//mmHg ].

If N_2 gas is bubbled through water at 293K how many milliomoles of N_2 would be dissoved in 1 litre of water? Assume that N_2 exert sa partial pressure of 0.987 bar. Given that Henrey's law constant for N_2 at 293K is 76.48K bar.

An object of mass, m is moving with a constant velocity, v. How much work should be done on the object in order to bring the object to rest?

:A 10 kW drilling machine is used to drill a bore in a small aluminium block of mass 8.0 kg. How much is the rise in temperature of the block in 2.5 minutes, assuming 50% of power is used up in heating the machine itself or lost to the surroundings. Specific heat of aluminium = 0.91 J g^-1 K^-1 .

Determine the amount of CaCl_2 (I = 2.47) dissolved in 2.5 litre of water such that its osmotic pressure is 0.75 atm at 27^@C .

Boiling point of water at 750mm Hg is 99.63^@C . How much sucrose is to be added to 500g of water such that it boils at 100^@C ? Molal elevation constant for water is 0.52 K kg mol^-1 .

Calculate the mass of a non-volatile solute of molar mass 40 which should be dissolved in 114g octane to reduce its vapour pressure to 60%

In Millikan’s oil drop experiment, what is the terminal speed of an uncharged drop of radius 2.0 xx 10^-5m and density 1.2 xx 10^3 kg m^-3 ? Take the viscosity of air at the temperature of the experiment to be 1.8 xx 10^-5 Pa s. How much is the viscous force on the drop at that speed? Neglect buoyancy of the drop due to air.