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Q.

Two containers each containing liquid water are connected as shown in diagram
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The vapour pressures of water at 300 K and 350 K are 22 torr and 40 torr respectively.
Choose the correct statement(s):
 

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a

The final pressure in each container if value is opened while keeping the containers at the given temperature is  400 torr

b

Mass of H2O(l)  is decreased in vessel  X

c

Mass of  H2O(l) is decreased in vessel Y 

d

The final pressure in each container if value is opened while keeping the containers at the given temperature is  22 torr

answer is A, D.

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Detailed Solution

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As the valve is open, pressure must be the same on either of the flasks and that cant be greater than 22 torr. To maintain that all water from flask Y will get transferred to flask X.

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