26. Classify each of the following as a chemical reaction, a nuclear reaction, or neither:
a. Thorium emits a beta particle.
b. Two atoms share electrons to form a bond.
c. A sample of pure sulfur emits heat energy as it
slowly cools
d. a piece of iron rusts.

Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b

What happens when light is scattered?

The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.