NaOH (Caustic soda) may be produced in a process from the following reactions:CaCO3 = CaO + CO2CaO+H2O = Ca(OH)22NaCl + CaCO3 = Na2CO3 + CaCl2Na2CO3+ Ca(OH)2 = 2 NaOH + CaCO31. Write the overall reaction for NaOH production using salt (NaCl), limestone (CaCO3) and water(H2O) as raw materials2. What are the required feed rates of salt (NaCl), limestone (CaCO3) and water (H2O) required toproduce 1000 lbm/day of NaOH as a 10% wt solution.

### 1. Write the overall reaction for NaOH production using salt (NaCl), limestone (CaCO3), and…

Answered: NaOH (Caustic soda) may be produced in…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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A student wishes to determine the chloride ion concentration in a water sample at 25 °C using a galvanic cell constructed with a graphite electrode and a half-cell of AgCl(s) + e⁻ → Ag(s) + Cl⁻(aq) E°red = 0.2223 V And a copper electrode with 0.500 M Cu²⁺ as the second half cell Cu²⁺(aq) + 2 e⁻ → Cu(s) E°red= 0.337 V The measured cell potential when the water sample was placed into the silver side of the cell was 0.0647 V. Given the standard cell potential for this cell is 0.115 V, what is the value of the standard free energy (in kJ) for this reaction?
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3, A mixture containing 40 kg A and 60 kg B is contacted with a pure solvent in a single-stage process. The relative content of A and B in extract phase (y /yR) is 7/3. The relative content of A and B in raffinate phase (x,/xp) is 1/4. Determine (1) the quantity of extract liquid E°; (2) the quantity of raffinate liquid R°; (3) Selectivity factor B. B.
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