Short Answer TypeA solution is prepared by dissolving 2.0 g of sucrose and 2.0 g of urea in 100 g of water at 298 K. Calculate the vapour pressure of the solution, if the vapour pressure of pure water at 298 K is 23.756 torr.
(Molecular weight of urea = 60 and sucrose = 342)
The average life-period of a radioactive nucleide is 100 hours. How long will it take for 10 g of the nucleide to lose 75 percent of its radioactivity ? [4]
(ii) Calculate the number of α -particles and β-particles emitted in a total transformation from
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(i) What is phase rule ? Draw the phase diagram of water and label all the parts representing the phases and curves. Mark the triple point.
(ii) Calculate the equivalent conductivity of 1 M H2SO4, whose specific conductivity is 26 x 10 – 2 ohm –1 cm–1.
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