Arigid, insulated tank contains steam at 3 mpa, 400 celsius. a valve on the tank is opened, allowing steam to escape. the overall process is irreversible, but the steam remaining inside the tank goes through a reversible adiabatic expansion. determine the fraction of steam that has escaped when the final state inside is saturated vapor.

Which sentences describe point source pollution? in this type of pollution, the source of the pollution is single and easily identifiable. when runoff water from the melting of snow mixes with debris, it creates pollution. the runoff water, mixed with pollutants, reaches large areas with disastrous effects. alternatively, when a wastewater treatment plant releases harmful chemicals into a stream, the chemicals pollute the stream water because they are not treated for safety.