What would happen if a sedimentary rock was first exposed to the energy from the earths interior and then millions of years later to energy from the sun???

How does chemistry affect our world? a. chemicals makes our world more polluted. b. chemicals keeps us healthy. c. chemicals can or hurt our world. d. chemicals make our world safe to live in.

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8