If 2.15 x 1012 atoms of copper II nitrate react, how many grams of barium nitrate are produced? BaCl, + Cu(NO), --> CuCl, + Ba(NO3)2

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.

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 . .