Elementary Principles 486 - 11.18 (cont'd) b. t=- CA V ln 1...

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11- 15 11.18 (cont’d) b. t V kS C C A A =− L N M M O Q P P ln * 1 Vk S C A == = = = × 5 5000 0 020 785 0 62 10 3 L cm cm s cm mol / cm 32 3 ,. , ., . Cy P H AA * .. = × 0 30 20 9230 0 65 10 3 af a f di atm atm cm mol mol cm 33 t × × F H G I K J =⇒ 5000 002 1 062 10 065 10 9800 3 3 cm cm s cm s 2.7 hr 3 2 ej bg ln . . (We assume, in the absence of more information, that the gas-liquid interfacial surface area equals the cross sectional area of the tank. If the liquid is well agitated, S may in fact be much greater than this value, leading to a significantly lower t than that to be calculated) 11.19 AB a. Total Mass Balance: Accumulation = input dM dt dV dt v E () ± ρ dV dt v = ± tV = = 00 , A Balance:
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