Under certain conditions potassium can react with oxygen in the air to form potassium oxide according to the reaction above which image best represents the amount of potassium required to completely react with all of the oxygen shown in flask below

Which of these is the result of scientific research and not engineering? a. a new shoe design that features air cushioning for more comfort and protection b. the creation of glass with uv protection. c. a conclusion about diet commonalities among diabetics. d. the development of a smaller, more compact missile.

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?