The Haber process is the principal method for fixing nitrogen (converting N_2 to

Question

The Haber process is the principal method for fixing nitrogen (converting N_2 to nitrogen compounds). N_2 (g) + 3H_2 (g) rightarrow 2NH_3 (g) Assume that the reactant gases are completely converted to NH_3 (g) and that the gases behave ideally. What volume of NH_3 (g) can be produced from 150 L N_2 (g) and 340 L of H_2 (g) if the gases are measured at 315 degree C and 5.10 atm? Express your answer with the appropriate units. V = What volume of NH_3 (g) measured at 25 degree C and 751 mmHg, can be produced from 150 L N_2 (g) and 340 L of H_2(g) measured at 315 degree C and 5.10 atm? Express your answer with the appropriate units. V =

Explanation / Answer

A)

if they are all at same P,T then, we cna compare volume quantities (avogrados law)

so

150 L of N2 -> 3*150 = 450 L of H2 required, we only have 340 L so..

H2 is limiting

340 L of H2 --> 2/3*340 L of NH3 will be produced

V = 226.666 L of NH3 will be produced

B)

we are now changin P,T so...

relate:

P1V1/T1 = P2V2/T2

recalculate V2:

V2 = P1/P2*T2/T1*V1

V2 = 5.1/(751/760) * (315+273)/(25+273) * 226.666

V2 = 2308.29L will be occupied by NH3

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