According to the kinetic-molecular theory, how do gas particles behave?
group of answer choices
they are in constant motion.
they have different shapes.
they have different colors.
they have constant contact with each other.

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid

What is the morality of 2.50 l of solution that contains 1.85 mol of anhydrous sodium tetraborate?