A300 gram sample of pure water exerts a vapor pressure of 740 millimeters of mercury on the walls of its container. if 0.4 00 moles of glucose (c6h12o6) is added to the water, what will be the vapor pressure of the resulting solution? 723 mm hg 738 mm hg 739 mm hg 743 mm hg

723 mm Hg

Explanation:The equation,   P solution = X solvent P solvent, can be used to determine vapor pressure lowering. 300 grams of water is 300g x 1 mole/18.0g = 16.67 moles water. Thus,   Imported Asset    = 16.67 moles water/17.07 moles total = 0.977 and the new pressure = 0.977 x 740 mm Hg = 723 mm Hg.

738 mm Hg

Explanation:

The equation, P solution = X solvent P° solvent,  can be used to determine vapor pressure lowering. 300 grams of water is 300g x 1 mole/18.0g = 16.67 moles water. Thus,   = 16.67 moles water/16.94 moles total = 0.984 and the new pressure = 0.984 x 750 mm Hg = 738 mm Hg.

water   molecules stay close to each other through cohesion, the collective action of hydrogen bonds between water molecules. cohesion plants draw water upwards from the root through the stem's transport tubes (xylem) to the leaf. this transport occurs even in large trees and against gravity. transpiration, evaporation of water from plant leaves, creates a tension on water molecules being pulled up from the stem and roots.

water also has high (the attraction of one substance to another) properties because of its polar nature. adhesion of water molecules to plant cell walls counteract gravity while water is transported from roots to leaves.

water exhibits a very high surface tension when compared to other liquids. surface tension is a property of a liquid that holds the surface together and allows it to resist an external force. by capillary action, the water forms concave menisci inside the pores. the high surface tension of water pulls the concavity outwards, generating enough force to lift water from the roots to the leaves of plants.

thus, cohesion, along with adhesion and surface tension creates a capillary action that keeps water molecules interacting and moving through the plants out to the leaf cells.

therefore, option d) is the correct answer.

explanation:

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