What is an intramolecular force?
A. A force that affects only nonpolar molecules
B. A force acting between the atoms within a molecule
C. A force that holds molecules of liquids to other molecules of
liquids
D. A force that attracts one molecule to another molecule

Write a paragraph at least 10 sentences explaining how rocks are used today in society

Achemical reaction (also known as a chemical change) produces substances that are chemically different from the starting materials. an example of a chemical reaction is the formation of water from hydrogen and oxygen gas.in a physical change, a substance changes its physical appearance but not its chemical identity. an example of physical change is the formation of liquid water from solid water, a familiar process called melting. physically, liquid water looks very different from solid water (ice) but the chemical identity, water, is the same for both. which of following changes that affect the composition of our atmosphere involve physical changes and which involve chemical reactions? oxygen gas changes to ozone during thunderstorms carbon dioxide is produced by the combustion of gasoline in an automobile engine. when coal, oil, and natural gas are decomposed in landsills they produce methane gas. freezing rain develops when a warm air mass overrides a cold air mass. fog forms from water vapor when the temperature drops below the dew point

C3h8o3 - glycerol major species present when dissolved in water