Suppose solute a has a distribution coefficient of 1.0 between water and diethyl ether. demonstrate that if 100 ml of a solution of 5.0 g of a in water were extracted with two 25-ml portions of ether, a smaller amount of a would remain in the water than if the solution were extracted with one 50-ml portion of ether.

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

What are the first three quantum numbers for the electrons located in subshell 2s?

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.