A sample of ore contains 34.0% malachite, a copper mineral. Malachite is 57.5% copper. What is the maximum amount of pure copper that could be extracted from 250 kg of the ore

Using the periodic table, complete the table to describe each atom. type in your answers

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange