Consider the phase change h2o(l) → h2o(g). this equation describes the phase change from liquid water to steam. think about the heat flow that is necessary for this change to take place. what do you predict about the process? it will be .

How many atoms are there in 5.70 mol of mg

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.