Two container each containing liquid water are connected as shown in diagram. Given that vapour pressure of `H_(2)O(l)` at 300 K and 350 K are 20 torr and 40 torr, select correct statement(s) :
A
The final pressure in each container if valve is opened while keeping the containers at the given temperature is 22 torr
B
The final pressure in each container if valve is opened while keeping the containers at the given temperature is 40 torr
C
Mass of `H_(2)O(l)` is decreased in container X
D
Mass of `H_(2)O(l)` is decreased in container Y
Text Solution
Verified by Experts
The correct Answer is:
a,d
(a,d) Vapour pressure of liquid is only and only temperature dependent.
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An ideal solution is prepared at 25^(@) C by disolving 0.4 kg of 5 moles liquid A in 20 moles liquid B. The solid is non-volatile and non-electrolyte in the solution. At 25^(@)C , The vapour pressures of pure liquids A and B are 100 torr and 200 torr respectively and the vapour pressure of solution is 150 torr. The shortest distance between two A^(+) ions in the solid is 200sqrt(2) pm. (N_(A) = 6 xx 10^(23)) The molar mass of solid AB is :
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If 250 mL of N_(2) over water at 30^(@)C and a total pressure of 740 torr is mixed with 300 mL of Ne over water at 25^(@)C and a total pressure of 780 torr, what will be the total pressure if the mixture is in a 500 mL vessel over water at 35^(@)C . (Given : Vapour pressure (Aqueous tension )of H_(2)O at 25^(@)C and 35^(@)C are 23.8, 31.8 and 42.2 torr respectively. Assume volume of H_(2)O(l) is negligible in final vessel)
