El agua de lluvia tiene un pH de 4,00. Calcule su concentración de ion hidrógeno en mol/litro. Explique por qué el agua es ácida en lugar de neutra.

Select the statement that describe chemical properties a. antacid tablets neutralize stomach acid b. helium is the lightest monatomic element c. water freezes at 0 celsius d. mercury is liquid at room temperature

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 . .

What powdery mineral is a health hazard when airborne?