So I’m learning gas discharge tube making (neon) and there’s a step where you cork one end of the tube and pull a vacuum on the other end to suck out all the impurities. The same thing was done when I was a mechanic working on an AC system that was opened up. Before you recharge it, you pull a va...

At an exam for analytical chemistry, I was asked to calculate the molar conductivity of a solution for an ongoing titration. I just solved it the way our professor showed it to us but I have some doubts if it even is correct like this. The question: A diluted solution of hydrobromic acid is titra...