In a marine propulsion plant, the salt water used to condense the exhaust steam enters the condenser at 600F and leaves at 800F. The specific heat of salt water is 0.96 Btu/lbm.0F, the density is 64.0 lb/cu. ft, the cooling water is 5000 gpm and 1 gal=231 cu. in. Find the heat absorbed by the cooling water, BTU/min.