COMPUTATIONAL SECTION 1. Ethanol is heated in a heat exchanger type 2-1 from 18 \% C to 60C with suraruted vapor of water. With the following datas, calculate a) Draw the profile of temperatire and calculate LMDT, b) area of heat transfer, c)mass flow rate (Kggh) of water vapor is needed, d) the number of pipes per passes. Datas: vapor-531 Keal Ke, vapor 125 Psi g, quality of vapor (x)=0,95; diameter outside of pipe 0.5 inchg lingt