A heat exchanger is used to cool spent steam from a turbine to capture its heat. It leaves the turbine at 120°C superheated steam and is cooled to 90°C liquid water. How much heat can be captured by the heat exchanger per
kg of spent steam? Work out using the information below. Box your answer. Be sure to include UNITS! Upload a
photo of your solution.
LHF=334 kJ/kg
LHV=2265 kJ/kg
ice cp=2.108 kJ/kg°C
water Cp=4.187kJ/kg°C
steam Cp=1.996 kJ/kg C

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

so, converting firstly the mixed fractions to improper fractions and then "adding".

80 the answer is 80

step-by-step explanation:

he kicked it up? is this the answer ?

step-by-step explanation: