How much heat does your body lose when 3.45 g of sweat evaporates from your skin at 25 âc? (assume that the sweat is only water.) the heat of vaporization of water at 25 âc is 44.0 kj/mole?

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?