It takes 6.86 kg of ethylene glycol (antifreeze; molar mass = 62.07 g/mol) to decrease the freezing point of 6.50 kg of water to -25 oF (-31.7 oC). How much sucrose (C12H22O11) would it take to decrease the freezing point of 6.50 kg of water to -25?

Why is the vapor pressure of a warm lake higher than the vapor pressure of a cold lake? o a. warm water has a greater heat of vaporization. ob. warm water evaporates more quickly. cool water evaporates more quickly. od. cool water has a greater heat of vaporization.

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l

What is avogadro’s number, and why is it useful