) Propane (CnH2n+2) is burned with atmospheric air. The analysisof the products on a dry basis is as follows:CO₂ = 11%O₂ = 3.4%CO =2.8%N₂ = 82.8%Calculate the air-fuel ratio and the percent theoretical air and determine thecombustion equation.

Given that: Basis product feed= 100 mol (supposed) Molar mass of propane= 44 g/mol Molar mass of…

Answered: ) Propane (CnH2n+2) is burned with…

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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Review | Constants | PeriIodic Table The standard heat of formation, Ar H°, is defined as the enthalpy change for the formation of one mole of substance from its constituent elements in their standard states. Thus, elements in their standard states have AfH® =0. Heat of formation values can be used to calculate the enthalpy change of any reaction. Part A For which of the following reactions is A,H° equal to Ar H° of the product(s)? Consider, for example, the reaction You do not need to look up any values to answer this question. 2NO(g) + O2(9) = 2NO2(9) Check all that apply. with heat of formation values given by the following table: • View Available Hint(s) Substance (kJ mol-1) NO(9) O C(s) + 02 (9)→CO2(9) 90.2 O2 (9) O Li(s) + F2(1)→LIF(s) NO2(9) 33.2 O Li(s) + F2(9)→LİF(s) O 2Li(s) +F2(9)→2LİF(s) Then the heat of formation for the overall reaction is A,H°= EnpAf H° (products)- nA¢H° (reactants) O CO(g) + ÷O2(9)→CO2(9) 2(33.2) [2(90.2) + 0] -114 kJ mol-1 O BaCO3(s)→BA0(s) + CO2(9)…
3. Kindly answer this and show your solution.
Q2: The feed to a distillation column is separated into net overhead product containing nothing with a boiling point higher than isobutane and bottoms containing nothing with a boiling point below that of propane. Hint: In the overhead there is no n-C5H12 or n-C4H10, and in the bottoms there in no C2H4, C2H6, or C3H6. The composition of the feed is mole % Ethylene 2.0 Ethane 3.0 Propylene Propane Isobutane 5.0 15.0 25.0 n-Butane 35.0 n-Pentane 15.0 Total 100.0 The concentration of isobutane in the overhead is 5.0 mole percent, and the concentration of propane in the bottoms is 0.8 mole percent. 1. Draw a completely labeled flowchart for the above process 2. Do the degree of freedom analysis for the overall process
Use the information about three gases, with the properties below to answer the following questions. Nitrogen (N2) Oxygen (02) Argon (Ar) 93.0 °C 83.0 °C 73.0 °C M (kg/kmol) 28 32 40 Use the van der Waals equation of state and mixing rules to calculate the temperature where 100 kmol of a mixture of argon (10 mol%), nitrogen (45 mol%) and oxygen (45 mol %) would occupy 46.27 m³, at a pressure of 6.28 MPa. It is known that the van der Waals constant for nitrogen are a=1.370 atm(m³/kmol)² and b=0.0387 m³/kmol, and for oxygen are a=1.382 atm(m³/kmol)² and b=0.03186 m³/kmol. 63.0 °C Tc (K) 126.2 154.6 150.8 Pc (atm) 33.5 49.8 48 @ 0.04 0.021 -0.004

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) Propane (CnH2n+2) is burned with atmospheric air. The analysis of the products on a dry basis is as follows: CO₂ = 11% 0₂= 3.4% CO =2.8% N₂ = 82.8% Calculate the air-fuel ratio and the percent theoretical air and determine the combustion equation.