For the exothermic reaction 2NO2=N204 the entropy change for the system is__, for the surroundings is ___, and for the universe is__ the entropy change for the __must be greater than for the ___.

A negative, positive, negative, surroundings system
B. negative,positive,positive,system,surroundings
C.negative,positivepositive,surroundings, system
D.negative,positive,negative,system,surroundings
E.positive,negative,positive,system,surroundings

   

Draw temperature curves dry air parcels that we release with temperatures of 22C and 24C at the ground. The y-curve in the graph describes the environmental temperature profile. At what altitudes do these air parcels stop rising, or do they rise indefinitely? Explain.