Which represents a balanced nuclear equation? o Na Mg + H
3
34 Mg +_e
11
0 20 20 Mg + 9 e
24
12

What is the equilibrium constant of aa+bb=cc+dd

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

Salt in oceans comes from and of rocks