56) If you lift a 10 kg bag of rice 1 m up onto a pantry shelf, and you are 10% efficient in converting energy to work, how much energy have you lost to heat?
a) 100 J
b) 90 J
c) 900 J
d) 10 J
e) 1000 J

What kind of intermolecular forces act between a hydrogen fluoride molecule and a hydrogen peroxide molecule? note: if there is more than one type of intermolecular force that acts, be sure to list them all, with a comma between the name of each force.

20 grams of water. she poured out 15 grams. which of the following physical properties of the water changes? a .boiling point b. density c .electrical conductivity d .volume

Which of the following occurs along coasts during the day?