5. Assign oxidation numbers to substances in the three-step production of sulfuric acid to show which reactions are redox and which are not.
S (s) + O2 (g) – SO2 (g)
SO2 (g) + O2 (g) – SO3 (g)
SO3 (g) + H2O (1) - H2SO4 (1)

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Which change to the system wood cause the freely-moving piston to lower?

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)