Originally posted by AlcraThere was a piece of research done at Salford Uni the other year about it. Not too surprising with their results.
Do you know on what thread? Would be worth a read.
As for the others
#21 - this surely can't be right. As a pearl is calcium carbonate, it'd be an acid-base reaction, with the pearl chemically changed, not dissolved.
#35 - this seems wrong too. With lifespans getting longer all the time, must be very hard to come out with a conclusive figure for this
Originally posted by PeakiteWell, yes and no. The Calcium Carbonate is chemically changed into Water, Carbon Dioxide and Calcium Ethanoate. The Carbon dioxide "dissapears" as a gas, the water mixes again with the original vinegar solution and the calcium ethanoate is soluble in the vinegar, so to the casual observer the pearl would have dissolved.
#21 - this surely can't be right. As a pearl is calcium carbonate, it'd be an acid-base reaction, with the pearl chemically changed, not dissolved.