[alone6288]

Hi everyone, i am doing a research for amonnia production in standard pression and lower temperature than 100°C.
Before i researched i thought that a atmosphere without oxygen with nitrogen and hidrogen will make amonnia using cold plasma produced for corona efect or DBD that it will be lower than 100°C. i thought will work because it have a good Kc and i will use the le chatelier principles to maximize the equilibrium and i think that the ionization of gas will create reactive species strongly charged, maximizing the velocity. but i have question? what would be the velocity, thinking that the termodinamic equilibrium is different than the equilibrium formed by ions in the cold plasma? Will i make 700ml or more of amonnia GAS with this in 1 day  considering that the reactor is filled up with 1l of nitrogen/hidrogen gas in Stoichiometry proportion without use the le chetelier Qc displacement?

[Enthalpy]

Hi alone6288,

your plasma will be very far from any equilibrium, so rules for equilibria like Le Chatelier and Kc don't apply.

At identical pressure and temperature, 1L of N₂ and H₂ mixture can't make 0.7L of NH₃, because the product has twice as many atoms per mole.

My intuition, and nothing more, tells that a plasma favours small molecules, so extracting the NH₃ as soon as it's produced seems necessary.

[Borek]

Assuming the reaction goes to completion (it won't): if mixing gases in equimolar proportions after the reaction you would be left with 0.67 of the initial volume.

Doesn't mean it will be ammonia.

[alone6288]

Hi alone6288,

your plasma will be very far from any equilibrium, so rules for equilibria like Le Chatelier and Kc don't apply.

At identical pressure and temperature, 1L of N₂ and H₂ mixture can't make 0.7L of NH₃, because the product has twice as many atoms per mole.

My intuition, and nothing more, tells that a plasma favours small molecules, so extracting the NH₃ as soon as it's produced seems necessary.

Hi entalphy.
if the reaction isnt in equilibrium, then if I put a catalyst that improve yield of ammonia, will this improve the yield of the other gases too? and i realized that you not consider the Stoichiometry of the gas mix that i ask, but no problem

[Enthalpy]

Data about plasma plus catalyst? I wouldn't have thought at that. Normally, catalysts serve where the mean available energy is much smaller than some reaction barrier. With a plasma, energy is available at some particles, much more concentrated than an energy barrier needs.

My gut feeling again: no computational nor paper prediction is possible for a reaction with a plasma. Either you find a description by someone who tried, or you try by yourself.