How many moles of aluminum (Al) are needed to react with 12 moles
of hydrochloric acid (HCI)?

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset

Which is an example of a reversible physical change?