Aball-and-stick model of a molecule provides much the same information as a

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

What does the symbol (–hfus) indicate in a phase change?

Which change to the system wood cause the freely-moving piston to lower?