4. For the reaction N2(g) + C2H2(g) = 2 HCN(g) a) b) с) Determine AG° (298 K) for this reaction Determine AG° at 300 C (what assumptions are made?) Calculate K at 300 C

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4. For the reaction N2(g) + C2H2(g) = 2 HCN(g)
а)
b)
c)
d)
Determine AG° (298 K) for this reaction
Determine AG° at 300 C (what assumptions are made?)
Calculate K at 300 C
Using the table values provided, find the reduced temperature and pressure
for 300 C and 0.5 MPa and 20 MPa
Find the o values for each gas
I can write the equilibrium constant as K = Kộ Kp
e)
f)
Where Kp is the equil constant in terms of pressure, and K, is the ratio of the fugacity
coefficients
Determine Ko
g)
If we start with an equimolar mixture of N2 and C2H2, what fraction of the
C2H2 is converted to HCN at 0.5 MPa and 20 MPa
h)
Does this agree with Le Chatelier's principle?
Тс (К)
Рс (MPа)
AH? (kJ/mol)
0 (why?)
Substance
Sm° (J/mol K)
N2
126.2
3.39
191.56
C2H2
308.3
6.25
226.7
200.9
НCN
456.8
5.07
135.14
201.8
Transcribed Image Text:4. For the reaction N2(g) + C2H2(g) = 2 HCN(g) а) b) c) d) Determine AG° (298 K) for this reaction Determine AG° at 300 C (what assumptions are made?) Calculate K at 300 C Using the table values provided, find the reduced temperature and pressure for 300 C and 0.5 MPa and 20 MPa Find the o values for each gas I can write the equilibrium constant as K = Kộ Kp e) f) Where Kp is the equil constant in terms of pressure, and K, is the ratio of the fugacity coefficients Determine Ko g) If we start with an equimolar mixture of N2 and C2H2, what fraction of the C2H2 is converted to HCN at 0.5 MPa and 20 MPa h) Does this agree with Le Chatelier's principle? Тс (К) Рс (MPа) AH? (kJ/mol) 0 (why?) Substance Sm° (J/mol K) N2 126.2 3.39 191.56 C2H2 308.3 6.25 226.7 200.9 НCN 456.8 5.07 135.14 201.8
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