HELP Which is a mixture? A. Hydrogen and oxygen atoms forming a molecule B. Red and blue marbles in the same container C. A piece of iron reacting chemically with oxygen D. A tin can that cannot be broken down into simpler substances

The balanced chemical equation for this lab is: 3cucl2(aq) + 2al(s) 3cu(s) + 2alcl3(aq) if 10.5 g copper chloride react with 12.4 g aluminum, what is the limiting reactant?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean