Phase changes are caused by the transfer of , which changes the amount of in the particles of a substance.

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.