Which of the following best describes an Arrhenius acid-base
reaction?
O A. Acid + base = H20
O
B. Acid + base = conjugate base + conjugate acid
O C. Acid + base = H+ + OH
O
D. Acid + base = salt + water

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?