arbon can be used as a tie substance between the fuel and the stack gas. Theoretical oxygen is always based on complete combustion except when there is presence of carbon monoxide and unburnt hydrogen in the stack gas. When analysis of stack gas is given, excess oxygen can be computed from O2 free, since excess oxygen = O2 free + O2 to burn unburnt combustibles in the stack gas. Due to the fact that most of the time analysis of stack gas is expressed in orsat, the water produced from combustion can be computed by solving for the O2 O2 disappearance is computed as oxygen supplied subtracted to oxygen in dry stack gas. All of the hydrogen in the fuel is assumed to burn to water of combustion unless otherwise specified. The water in the stack gas is from the water in air, water in fuel and water of combustion. When analysis of the fuel is complete and analysis of stack gas is given in partial, basis can only be established in the fuel. Dalton’s law states that the total pressure exerted is equal to the sum of the partial pressures of individual gases. The dew point is the temperature to which a gas needs to be cooled to become saturated with water vapour.

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
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TRUE or FAlSE

  1. Carbon can be used as a tie substance between the fuel and the stack gas.
  2. Theoretical oxygen is always based on complete combustion except when there is presence of carbon monoxide and unburnt hydrogen in the stack gas.
  3. When analysis of stack gas is given, excess oxygen can be computed from O2 free, since excess oxygen = O2 free + O2 to burn unburnt combustibles in the stack gas.
  4. Due to the fact that most of the time analysis of stack gas is expressed in orsat, the water produced from combustion can be computed by solving for the O2
  5. O2 disappearance is computed as oxygen supplied subtracted to oxygen in dry stack gas.
  6. All of the hydrogen in the fuel is assumed to burn to water of combustion unless otherwise specified.
  7. The water in the stack gas is from the water in air, water in fuel and water of combustion.
  8. When analysis of the fuel is complete and analysis of stack gas is given in partial, basis can only be established in the fuel.
  9. Dalton’s law states that the total pressure exerted is equal to the sum of the partial pressures of individual gases.
  10. The dew point is the temperature to which a gas needs to be cooled to become saturated with water vapour.
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