boiling point decreases with a decrease in volume. there are more molecules to heat in 100 liters than in 10 liters. the molecules are closer together in 100 liters than in 10 liters
<span>... because there are more molecules to heat in 100 liters than in 10 liters.
_____ This assumes energy is supplied to the water at a constant rate, and that the various volumes of water are liquid at the same starting temperature and pressure.</span>