4 votes

How did early chemists work out the number of protons in the nucleus?

The allusion to Moseley's contributions in the comments is only partially correct in a historical sense. It was Antonius van den Broek (a name rarely mentioned in general chemistry) who proposed that ...
AChem's user avatar
  • 40.3k
1 vote

How would I find the molarity/concentration of a gas using pV = nRT?

I'm only reviving this old question because I got significantly different results compared to the proposed answer. Let: A = $\ce{SO3}$ C = $\ce{SO2}$ D = $\ce{O2}$ The change in moles for this ...
Sam202's user avatar
  • 1,440

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