Module 3 : Reaction Thermodynamics

Lecture 8 : Reactive systems

  1. The equilibrium constant of reaction   has the following values :

    1. Determine the average heat of dissociation
    2. Calculate the heat capacity of the equilibrium mixture at the temperature of 2260K
  2. If we start with n0 moles of CO and 3n0 moles of H2, which react according to the equation , show that, at equilibrium, 
  3. Show that , for an ideal gas in a mixture of ideal gases ,
  4. Starting with no moles of NO, which dissociates according to the equation

    Show that at equilibrium
  5. A gasoline engine delivers 170 kW. The fuel used is C8H18 (l) and it enters the engine at 25°C. 150% theoretical air is used and it enters at 45°C. The product of combustion leave the engine at 750 k, and the heat transfer from engines is 205 kW. Determine the fuel consumption per hour if complete combustion is achieved.
  6. Oxygen dissociate according to the reaction,
    Show that 
    Obtain an expression for   in terms of   and total pressure P at 3800 K, k= 1 atm and , calculate the value of and .
  7. Gaseous butane at 25°C is mixed with air at 420K and burned with at 400% theoretical air. Determine the adiabatic flame temperature.