Identify the solute & solvent when 50 g of copper is mixed with 20 g of zinc (hint: moles)

O Solute: copper/Solvent: zinc

O Solute: zinc/Solvent: copper

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.