Related Questions

Fugacity of a component in an ideal gas mixture is euqal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at contant pressure and temperature __________ as its mole fraction increases.
A Decreases
B Decreases exponentially
C Increases
D Remains constant
Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when
A Only vapor phase follows Raoult's law
B Only liquid phase obeys Dalton's law
C Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law
D Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law
Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%
100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?
A 70 kg
B 36 kg
C 44 kg
D 56 kg
Solution X is 10% percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume?
A 600
B 800
C 300
D 250
E None of these
The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour
A Measures the elevation in boiling point
B Is not dependent on the temperature
C Is a function of the liquid phase composition
D Measures the depression in freezing point
The artificial activity which indicates that an activity following it, cannot be started unless the preceding activity is complete, is known as
A Event
B Free float
C Dummy
D Constraint
The artificial activity, which indicates that an activity following it cannot be started unless, the preceding activity is complete, is known as
A Event
B Free float
C Artificial
D Dummy
If b equals 20% of b, then which one of the following equals 30% of c?
A 0.0006% of a
B 0.006% of a
C 0.06% of a
D 0.6% of a
a, b and c are positive integers. If b equals the square root of a, and if c equals the sum of a and b, which of the following could be the value of e?
A 21
B 30
C 45
D 331

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