Take a close look at the energy transfers and transformations shown in the above diagram. Which type of energy is transformed into other types but is not itself produced?

Find the volume of the ellipsoid x^2+y^2+5z^2=36.

The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.