Which of the following indicates a catalyst is used to alter a chemical equation? (3 points)
A.
chemical formula written over an →
B.
↓↑
C.
Δ written under an →
D.
chemical formula written under an →

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

Asolution is made by dissolving 25.5 grams of glucose (c6h12o6) in 398 grams of water. what is the freezing point depression of the solvent if the freezing point constant is -1.86 °c/m? show all of the work needed to solve this problem.

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .