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Magazine Problem 1
Is the concept of equilibrium limited to thermodynamics?
Problem 3
How is a chemical equilibrium process different from a combustion process?
Problem 7
In a closed rigid-combustion bomb, which prop erties are held fixed?
Problem 9
At \(298 \mathrm{~K}, \mathrm{~K}=\exp (-184)\) for the water dissociation; what does that imply?
Problem 11
For a pressure-sensitive reaction, an inert gas is added (dilution); how does the reaction shift?
Problem 12
In a combustion process, is the adiabatic flame temperature affected by reactions?
Problem 13
In equilibrium, the Gibbs function of the reactants and the products is the same; how about the energy?
Problem 15
If I consider the nonfrozen (composition can vary) heat capacity but still assume that all components are ideal gases, does that \(C\) become a function of temperature? Of pressure?
Problem 45
The combustion products from burning pentane, \(\mathrm{C}_{5} \mathrm{H}_{12},\) with pure oxygen in a stoichiometric ratio exit at \(2400 \mathrm{~K}, 100 \mathrm{kPa}\). Consider the dissociation of only \(\mathrm{CO}_{2}\) and find the equilibrium mole fraction of \(\mathrm{CO}\).
Problem 53
Complete combustion of hydrogen and pure oxygen in a stoichiometric ratio at \(P_{0}, T_{0}\) to form water would result in a computed adiabatic flame temperature of \(4990 \mathrm{~K}\) for a steady-state setup. How should the adiabatic flame temperature be found if the equilibrium reaction \(2 \mathrm{H}_{2}+\mathrm{O}_{2} \rightleftharpoons 2 \mathrm{H}_{2} \mathrm{O}\) is considered? Disregard all other possible reactions (dissociations) and show the final equation(s) to be solved.
