When a chemical reaction is at equilibrium,
the concentration of each reactant and the
concentration of each product must be
(1) constant
(2) variable
(3) equal
(4) zero

1) this is the structure in the cell nucleus that houses a cell's genetic information

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next