A stream of methanol vapor is used to chill a countercurrently flowing saturated steam in an adiabatic heat exchanger. Steam enters at 300 degrees (C) and exits as liquid water at 90 degrees (C), while methanol enters at 5,500 STP L/min at 65 degrees (C) at and leaves at 260 degrees (C).
(a) what is the flow rate of steam in m3/min?
(b) what is the rate of heat transfer (kW)?