G= 10N/Kg An engine does 1500 J of useful work with each 5000 J of energy supplied to it.
(a) What is its efficiency?
(b) What happened to the rest of the energy supplied

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Acontainer holds 35.8 moles of gas under 10.0 atm of pressure at 70.0 c. what is the volume of the container?

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution