So after I got back from the hospital, I was in the lab doing some work and I managed to mix up ammonia (NH3) and ammonium (NH4).  The results were...less than pleasant, let's say, but I thought it was just a one off thing, but then two days later I did it again, with sulfate (SO4) and sulfite (SO3).  Obviously these kind of freshman mistakes were ( Read more... )

...have you ever had one of those really, really awesome days where it feels like everything is just going right ( Read more... )