Which change in oxidation number indicates oxidation?
(1) –1 to +2 (3) +2 to –3
(2) –1 to –2 (4) +3 to +2

What is the force of attraction between the particles in a salt crystal

Determine the reaction and balance the following equations urgent due in the morning

Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2