Describe an oxidation-reduction reaction. in an oxidation-reduction reaction, oxidation is what happens when a reactant [gains electron, loses electrons, releases oxygen] . reduction occurs when a reactant [gains electron, loses electrons, acquires oxygen] in the reaction.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Determine the empirical formula for succinic acid that is composed of 40.60% carbon, 5.18% hydrogen, and 54.22% oxygen.

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work