Compare: identify three ways that a biologist's research is similar to an astronomer's. both scientists always perform experiments in the lab. both scientists share knowledge with scientists in other fields. both scientists make observations both scientists form and test hypotheses

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.

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, .)

Which of the following describes geothermal energy in use