Determine the diameter of a clean glass tubing so that the rise of water at 20oC due to capillary action is less than h = 1.00mm. The surface tension (σ) of water at 20oC = 0.0735N/m and the specific weight of water = 9.81kN/m3.

Explain what happens at the saturation point when adding salt to water at room temperature.

During cooling, the kinetic energy of the molecules falls. why does this happen? a.the motion of the molecules increases. b. the motion of the molecules slows down. c.the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.

Answer asap 50 points which of the following illustrates how a venus fly trap senses that an insect has landed in its open leaves? 1. using tiny hairs, the leaves sense a change in light. 2. using tiny hairs, the leaves taste a chemical. 3. using tiny hairs, the leaves detect a touch. 4. using tiny hairs, the leaves sense a change in water levels.