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Fuel cells produce electricity from hydrogen. The life of the fuel cell depends on produc- ing relatively pure hydrogen. Methane (natural gas) is often used as a feed to produce hydrogen. Consider the production of hydrogen 1 H2 2 by the dissociation of methane 1 CH4 2 into solid carbon (C). The process can be described by the following chemical reactionCH4 1 g 2 dS C 1 s 2 1 2H2 1 g 2
The temperature is 1000 K and the pressure is 1000 Pa. You may assume that D hrxn does not change with temperature.
(a) What is the equilibrium constant at 298 K?
(b) What is the equilibrium constant at 1000 K?
(c) What is the maximum amount of H2 that can be produced per mole of CH4 in the feed?
(d) Why is this reaction run at 1000 K instead of 298 K?
(e) Why is this reaction run at 1000 Pa instead of 1 bar?
Write a balanced chemical equation for this reaction when Ferrophosphorus reacts with pyrite making iron (ll) sulfide and a compound that is
A nurse administered 3.50 mL of a radioisotope solution that has an activity of 135 Ci/mL. What total dose of the radioisotope did the patient receive
Combustion of natural gas (primarily methane) occurs in most household heaters. The heat given off in this reaction is used to raise the temperature of the air in the house.
Which anion gives precipitate with Ba+2 ion? Iv) Which anion evolves a gas when acid is added? V) Which anion releases an odorous gas as a product?
An aqueous solution of sulfuric acid contains 571.6 g of H2SO4 per liter of solution as well as has a density of 1.329 g/mL a) Compute the mass % of the solution.
What is meant by this term and how does an amphipathic molecule behave in water. Draw a diagram to illustrate
How can you account for the difference between the colors of the benzaldehyde and cyclohexanone? Explain using formulas.
Problem- Consider the titration of a 24.0-mL sample of 0.110M HC2H3O2 with 0.130M NaOH. Determine each of the following. The pH at 4.00mL of added base. The pH at one-half of the equivalence point. the pH at the equivalence point
Calculate the work associated with the expansion of a gas from 152.0 L to 189.0 L at a constant pressure of 11.0 atm.
What are the units of k,k', and K. The slowest step of reaction is not always the rate determing step. why not
Question- An estimation of the laminar flame speed of an alkane, based on a simple energy balance, gives the correct order-of-magnitude of 10^0 m/s.
the substitution reaction of (2R)-2-bromopentane and CH3O- undergoes substitution with NaOCH3.
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