What is the outcome of all chemical changes when two substances are combined? A new substance forms with identical properties.
The two substances release an odor.
The two substances change color.
A new substance forms with different properties.

14. complete and balance the equations for the single displacement reactions. a. zn + pb(no3)2 -> b. al + niso4 -> 15. complete and balance the equations for the double displacement reactions. a. agno3(aq) + nacl(aq) -> b. mg(no3)2(aq) + koh(aq) -> 16. complete and balance the equations for the combustion reactions. a. __ ch4 + o2 -> b. __ c3h6 + o2 -> c. + o2 ->

C3h8o3 - glycerol major species present when dissolved in water

Compare and contrast physical changes with chemical changes.