The feed to the chambers (at 91C) is given in Table P7.7.

Water is fed at 25C. The unconverted gases have a dew point of 2C at 1 atm. These gases are fed to the Gay-Lussac Tower at 40C. The liquid product, 178 kg of sulfuric acid (64% by weight), exits the chambers at 91C. Compute the conversion of SO2 in the lead chambers, the water added, and an energy balance to the lead chambers. See Fig. P7.7 for the process scheme.

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Table P7.7 Data on Gas Composition kmol kg N 15.5612727 435.715636 02 1.95656918 62.6102137 HO 1.41367395 25.4461312 SO2 1.1921243 76.2959555 NO 0.16332356 4.89970694 Total 20.2869637 604.967644 Temp (K) 364