During a phase change, the temperature of a substance
a. increases
b. decreases
c. remains constant
d. may increase or decrease

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 . .

In salt water solution, the salt is the blank

Displacement is the slope of a velocity vs. time graph a. true b. false