DI Question 3 1 pts What happens to the bubble-point temperature of a liquid as

Question

DI Question 3 1 pts What happens to the bubble-point temperature of a liquid as the pressure decreases? O it increases it decreases O it stays the same 1 pts DQuestion 4 On a Txy diagram of a 2-phase 2-component system, there is a region of and a region of pure liquid (at low temperature). Assuming you start as pure vapor (at high temperature) a liquid on the edge of the 2-phase at composition of x1-0.5 and boil the system through the 2-phase region to the gas side, how the pressure change? OIit goes up O tgoes down O doesnt change O This can only be debermined with a Pay dagram ELELLLE

Explanation / Answer

Ans 3 : It decreases

The bubble point temperature is the temperature at which the first bubble of vapor forms in the liquid. It occurs when the vapor pressure becomes equal to the atmospheric pressure.

So when the pressure decreases , the bubble is formed at a lower temperature , so the bubble point temperature decreases.

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