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.

Correct relationship between molecular formula and empirical formula

What is the rate law for the uncatalyzed reaction?

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.