In the reaction 2Mg (s) + O2 (g) + 2H2O (l) → 2Mg2+ (aq) + 4OH– (aq), which substance is oxidized? A. Mg
B. O
C. H2O
D. OH
E. None of the Above (This is not a redox reaction.)

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.

The student repeated the experiment using a higher concentration of acid. the same volume of acid and the same mass of magnesium ribbon were used. what volume of hydrogen gas would have been produced after 60 seconds?