Multiple choicea sample of a pure ionic compound has a mass of 2.00 g. if 0.72 g of the sample is determined to be made up of calcium, what is the formula of the compound? a. cao b. caf2 c. cas d. cacl2 e. case f. cabr2

Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.

Compare sympathetic and parasympathetic

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.