The brick wall (of thermal conductivity 0.35 W/m ·◦ C) of a building has dimensions of 2.7 m by 6 m and is 16 cm thick. How much heat flows through the wall in a 18.6 h period when the average inside and outside temperatures are, respectively, 31◦C and 8◦C? Answer in units of MJ.

When an object is heated it contracts. a. true b. false

An insulated thermos contains 148 g of water at 72.7 ˚c. you put in a 11.7 g ice cube at 0.00 ˚c to form a system of ice + original water. the specific heat of liquid water is 4190 j/kg•k; and the heat of fusion of water is 333 kj/kg. what is the net entropy change of the system from then until the system reaches the final (equilibrium) temperature?

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?