|
Response Details:
1. Water has a vapor pressure. Below it's boiling point, liquid water is
in equilibrium with water vapor. This can be seen as steam when the
temperature of the water vapor is higher than the temperature of the
surrounding air.
2. In addition, he different minerals dissolved in water will affect the boiling temperature, but not by much.
3. as Mr Maxwell and Mr Bolzmann said: the kinetic energy in a substance
is the AVERAGE kinetic energy of the particles in the substance. this
means that if the kinetic energy of your substance is 50 joules, there
are actually a few particles that have 60 Joules, and a few that have
40 joules. this ratio is visualized on the MAXWELL-BOLZMANN
distribution graph., so why does your water boil?
because the few particles at the high end of the energy distribution
(the few particles with the 60 Joules) DO have enough energy to escape
the liquid phase. the substance does not however boil entirely yet,
because their are still particles left at the lower energy levels.
|