Methane is fed to a combustion chamber at the rate of 9 Ibm/min where it is burned completely with 7% Excess air. Use approximate molar masses for all of the species and determine the:c) molar percentage of oxygen in the outlet gassesd) average molar mass of the outlet gase) mass flow rate of carbon dioxide leaving the combustion chamber in Ibm/min

Given that, The mass flow rate of methane CH4 = 9 lb/min The molecular weight of CH4 = 16 lb/lbmol…

Answered: Methane is fed to a combustion chamber…

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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4) For workers in closed spaces, it is a great danger to consuming the breathable air (oxygen) and replacing it with carbon dioxide (CO₂) is great danger issue. In order to avoid breathing this harmful gas, closed areas should be adequately ventilated. There is no specific standard for the air exchange rate. However, a complete freshening of air every 2.5 minutes has been accepted by the industry as effective ventilation. A worker maintains a rectangular tank with a height of 10 ft and a 5 ft x 5 ft square bottom. Fresh air enters through a 6-inch diameter hose and exits through a 3-inch diameter port on the tank wall. The flow is assumed to be incompressible and steady. Determine, a) The exchange rate required (ft³/min) for this tank. b) The velocity of the air entering and exiting the tank at this exchange rate.
Gallium is produced by the electrolysis of a solution made by dissolving gallium oxide in concentrated NaOH(aq).Calculate the amount of Ga(s) that can be deposited from a Ga(III)solution using a current of 0.460 A that flows for 40.0 min. mass: g
The vapor leaving the top of a distillation column goes to a condenser in which either total or partial condensation takes place. If a total condenser is used, a portion of the condensate is returned to the top of the column as refcr and the remaining liquid is taken off as the overhead product (or distillate). If a partial condenser is used, the liquid condensate is returned as reflux and the uncondensed vapor is taken off as the overhead product. The overhead product from an n-butane-n-pentane distillation column is 93 mole% butane. The temperature of the cooling fluid limits the condenser temperature to 39 °C or higher. REFLUX DRUM a) Using Raoult's law, estimate the minimum pressure at which the condenser can operate as a partial condenser (i.e., at which it can produce liquid for reflux) b) The production rate of overhead product is 50 kmol/h, and the mole ratio of reflux to overhead product is 2:1. Calculate the molar flow rates and compositions of the reflux stream and the vapor…
10. A container is separated into two halves by a membrane. Your lab partner assistant, Thurmond, is supposed to place a MgCl2 solution on side 1 and a NaCl solution on side 2. He is then supposed to measure the rate of water movement across the membrane. Unfortunately, Thurmond is not very good about keeping complete lab notes and he has forgotten to write down some data and calculations. Using your knowledge of osmosis, complete the following table. Temperature is 15°C and the hydraulic conductivity for the membrane is 0.4 ml/atm sec. MgCl2 Concentration on Side 1 NaCl Concentration on Side 2 80 mM Osmolarity on Side 1 Osmolarity on Side 2 Difference in osmotic pressure 60 mosM across the membrane Jy 0.95 ml/sec Reflection coefficient (ơ) Direction of water movement
Two aqueous NaOH streams are combined. Stream A is 26% NaOH by mole. Stream B is 69% NaOH by mole. The product (combined) stream has a flow rate of 125 lbmole/h and is 57% NaOH by mole. Determine the flow rate of stream A and stream B (lbmole/h).
a process consists of two distillation columns. the composition of the feed to the first column is 30 mol% benzene, 30 mol% toluene, and 40 mol% xylene. the top stream of the first column does not contain xylene. the benzene content of the dome stream from the first column is 55 mol %. the bottoms stream from the second column has a flow of 100 mol/h and contains 15 mol% toluene and no benzene; while the top stream of the second column contains 50 mol % benzene. the upper stream flow of the first tower is twice the upper stream flow of the second tower. determine the molar flux of the fresh feed stream and the overhead stream leaving the first column.

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