Carbon dioxide and water is produced when a hydrocarbon combines with

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?

Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?