Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

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.