In the reaction 2h2o (l) + 2cl– (aq) → h2 (g) + cl2 (g) + 2oh– (aq), which substance is reduced? a. h2o b. cl c. h d. oh e. none of the above (this is not a redox reaction.)

The sum of the oxidation numbers in a neutral compound is always

As light moves from one material into the next, which of the following affects how much the light waves will refract, or bend? angle at which the ray strikes the medium color of the material density of the material temperature of the light wave

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.