Air enters a cooling section at 97 kPa, 35C, and 30 percent relative humidity at a rate

Question:

Air enters a cooling section at 97 kPa, 35°C, and 30 percent relative humidity at a rate of 6 m3/min where it is cooled until the moisture in the air starts condensing. Determine
(a) The temperature of the air at the exit and
(b) The rate of heat transfer in the cooling section.