2. Predict: Set the number of Oz molecules to five and the number of H2 molecules to eight. A. How many oxygen atoms are present?
Hydrogen atoms?
B. How many water molecules could form from these reactants?
C. After the molecules react, which reactant will be left over?
D. Which reactant will be the limiting reactant?
E. Click Play and wait until Reaction complete is shown. What happened?

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes

One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(ii) carbonate, in concentrated sulfuric acid. the sulfuric acid reacts with the copper(ii) carbonate to produce a blue solution of copper(ii) sulfate. scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: (s) (aq) (s) (aq) suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. he adds powdered iron to a copper(ii) sulfate sample from the plant until no more copper will precipitate. he then washes, dries, and weighs the precipitate, and finds that it has a mass of .

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse