How is chemical equilibrium achieved? Question 15 options:

When the concentrations of reactants and products are constantly changing.

When the concentrations of reactants and products are constant.

When the concentrations favor the reactants.

When the concentrations favor the products.

Which of the following elements is a representative element? a. chromium (cr) b. aluminum (al) c. mercury (hg) d. silver (ag)

Which best describes how johannes kepler developed his laws of planetary motion

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.