A mixture of gases is heated and rises to the top of its container. Which statement best explains this result? a Heated gases will have increased kinetic energy and decreased density. b Heated gases will have increased kinetic energy and increased density. c Heated gases will have decreased kinetic energy and increased density. d Heated gases will have decreased kinetic energy and decreased density.
The correct statement is:
a) Heated gases will have increased kinetic energy and decreased density.