If one atom of carbon-14 weighs 14.0 atomic mass units and one atomic mass unit is equal to 1.66 10-24
grams, what is the mass of 25 atoms of carbon-14 in grams?

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 . .

The same side of the moon always faces earth because the

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.