Jeff is picking up a 140N rock with a force of 85N if Chris comes to help and Chris can lift with a force of 60N what's the net force and direction of motion

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 . .

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

Enzymes affect the reactions in living cells by changing the