During the formation of a solution, which step is always an exothermic process? a. the separation of solute particles from one another the overall solution processb. the separation of solvent particles to accommodate solute particles c. the mixing of solute particles and solvent particles with one another, which allows for solute-solvent particle interaction

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.

In medium-sized stars such as the sun, nuclear fusion almost always means the fusing of nuclei to form , but larger stars can produce elements as heavy as