Liquid X is known to have a lower vapor pressure and lower surface tension than

Question

Liquid X is known to have a lower vapor pressure and lower surface tension than Liquid Y Use these facts to predict the result of each experiment in the table below, if you can experiment predicted outcome O Eventually both liquids boil, X first and then Y. 45.0 mL of Liquid X are put in one sealed 5 L flask, and 45.0 mL of Liquid Y are put Eventually both liquids boil, Y first and then X. Neither liquid will boil in another sealed 5 L flask. The pressure in each flask is then slowly lowered with a vacuum pump O It's impossible to predict whether eitherliquid boils without more information SX will be greater than Sy 15.0 uL drops of Liquid X and Liquid Y are sprayed into the air, where they form perfect spheres. The diameters of these drops are measured with a high-speed camera, and their surface areas Sv and Sv calculated O Sx will be less than Sy Sx will be equal to S O It's impossible to predict whether Sx or Sy will be greater without more information

Explanation / Answer

Experiment predicted outcome 45.0mL of liquid X are put in one sealed 5 L flask, and 45.0ml of liquid Y put in another sealed 5L flask. The pressure in each flask is then slowly lowered with a vaccum pumb. Eventually both liquids boil, X first and then Y(due to lower vapour pressure of X than Y) 15.0micro L drops of liquid X and liquid Y are sprayed into the air where they form perfect sphere. The diameter of the drops are measured with high speed camara, and their surfaces are Sx and Sy calculated. Sx will be less than Sy (due to lower surface tension of X than Y)

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