217 mL of gas at 988 Pa is allowed to expand at constant temperature into a 527 ml container, What is the new
pressure of the gas?

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder