The temp of some water with a mass of 10.0 g and a specific heat of 4.2 changed from 25.0 ' c to 35.0 ' c. how much heat was absorbed?

a) 100 j
b) 230 j
c) 420 j
d) 600 j

Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)