I chemistry Student needs student mean70.0 g of acetone for an experiment. By consulting the CRC handbook of chemistry and physics the student discovers that the density of acetone is 0.790 g cm -3. Calculate the volume of acetone the student should pour out

Which of the following isotopes has the same number of neutrons as phosphorus-31?

What properties would have caused early researchers to name hydrogen "inflammable air”

15) a substance used in manufacturing gasoline consists of finely divided platinum supported on an inert solid. suppose that the platinum is formed by the high temperature reaction between platinum (iv) oxide and hydrogen gas. the other product is water. a) write and balance the equation b) how many grams of hydrogen are needed to produce 1.0 g of platinum metal? c) how many moles of water are produced at the same time? how many grams? ( show work, .)