Rank the following solutions according to their acidity. 1) PH = 7 : Least Acidic? Intermediate Acidity? Most Acidic?

2) [H3O+] = 10^-4 : M Least Acidic? Intermediate Acidity? Most Acidic?

3) [OH-] = 10^-3 M : Least Acidic? Intermediate Acidity? Most Acidic?



1) [H3O+] = 10^-8 M : Least Acidic? Intermediate Acidity? Most Acidic?

2) pOH = 13 : Least Acidic? Intermediate Acidity? Most Acidic?

3) [OH-] = 10^-4 M : Least Acidic? Intermediate Acidity? Most Acidic?

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

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

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town