Cp, ice = 2.09 Which step in the process requires the greatest
amount of energy?
molar massa
heating the ice
melting the ice
heating the water
boiling the water
DODC
heating the water vapor
5 of 6

How is it possible for someone to put an ear to a wall and hear someone in the next room?     a.sound waves can travel though solids.    b.the waves travel from room to room via air.    c.there must be some air in the wall so the sound can travel through it.    d.sound waves change to electromagnetic waves and then back again.