Which reaction would cause a decrease in entropy? A. CO(g) + 3H2(g) → CH4(g) + H2009) B. 2NH3(9) ► N2(g) + 3H2(9) O C. 2NOCI(9) + 2NO(g) + Cl2(9) D. 2CC14(9) + O2(g) → 2C0C12(9) + 2Cl2(9)​

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d