Be sure to answer all parts. An ionic compound forms when calcium (Z = 20) reacts with iodine (Z = 53). If a sample of the
compound contains 5.12 x 1022 calcium ions, how many iodide ions does it contain? (Enter your answer
in scientific notation.)

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c

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