S(s) + 2 H2SO4 (aq) → 3 SO2 (g) + 2 H20 (L)
How many moles of sulfur dioxide will be produced if 4.2 mol H2SO4 completely reacts with
excess sulfur?

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 statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.

What are the similarities between compounds and mixtures?