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Find the nozzle exit area, the required pressure out of the pump, and the horizontal force needed to hold the cannon.
If the flow through the nozzle is reversible and adiabatic, determine the velocity and kinetic energy per kilogram of water leaving the nozzle.
How large a force must be applied to a squirt gun to have 0.1 kg/s water flow out at 20 m/s? What pressure inside the chamber is needed?
I drive down the highway at 110 km/h on a 25oC, 101.3 kPa day. What is the force on my hand and what temperature do I feel?
Steam at 1600 kPa, 300oC, flows so that it has a stagnation (total) pressure of 1800 kPa. Find the velocity and the stagnation temperature.
Determine the equilibrium composition of the products and also their temperature at the combustor exit.
If no dissociations are considered, the adiabatic flame temperature is found to be 2461 K. What is it if the dissociation of CO2 is included?
The content is then heated to 3000 K, at which point an equilibrium mixture of CO2, CO, and O2 exists.
Write the combustion equation with no hydrogen in the products and then use the water-gas reaction to estimate the amount of hydrogen present.
It is heated in a constant-pressure process, so the mole fraction of atomic hydrogen, H, is 10%. Find the final temperature and the heat transfer needed.
How should the adiabatic flame temperature be found if the equilibrium reaction 2H2 + O2 ? 2H2O is considered? Disregard all other possible reactions.
Catalytic gas generators are frequently used to decompose a liquid. Calculate the mole fractions of the species in the equilibrium mixture.
One approach to using hydrocarbon fuels in a fuel cell is to reform. Determine the equilibrium constant for this reaction at a temperature of 800 K.
Butane is burned with 200% theoretical air, and the products of combustion, an equilibrium mixture. Determine the equilibrium composition at this state.
Find the equilibrium composition at this state, assuming that only N2, O2, NO, O, and Ar are present.
Assume we only have H2O, O2, OH, and H2 as gases with the two simple water dissociation reactions active. Find the equilibrium composition.
Calculate the equilibrium composition of the mixture leaving the converter. Would it be more desirable to operate the converter at ambient pressure?
At 10 000 K the ionization reaction for argon as Ar ? Ar+ + e- has a constant. What should the pressure be for a mole concentration of argon ions (Ar+) of 10%?
Assume air is at 3000 K, 1 MPa. Find the time constant for NO formation. Repeat for 2000 K, 800 kPa.
For a mixture of O2 and O the pressure is increased at constant T; what happens to the composition?
For nearly all the dissociations and ionization reactions, what happens to the composition when the pressure is raised?
What is the equilibrium mole fraction of NO? Find the enthalpy difference in the gases due to the formation of the NO.
Pure oxygen is heated from 25oC, 100 kPa, to 3200 K in a constant-volume container. Find the final pressure, composition, and heat transfer.
Assume the dissociation of CO2 is the only equilibrium process to be considered. Find the exit equilibrium composition and the heat transfer rate.
Assuming that only these substances are present in the exiting chemical equilibrium mixture, determine the composition of that mixture.