What is the main difference between sleet and hail? A. Sleet starts frozen then melts as it falls. Hail starts as rain and then freezes as it falls. B. There is no difference. C. Sleet freezes as it is falling down. Hail freezes, is swept up by wind, and refrozen several times before it falls. D. Sleet freezes when it hits the ground. Hail starts as snow and then turns to ice.

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.