If two half lives have passed since a scientist collected a 1.00- gram sample of a U-235, how much U-235 is left now? answers for most finals chem test questions (10th)

What is a number added in front of a formula in order to balance the equation

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 . .

Compare and contrast an assemblage and a pollen fingerprint by defying both and giving examples of each from the chapter.