0.1 mole of N2O4(g) was sealed in a tube under one atmospheric conditions at 25oC. Calculate the number of moles of NO2(g) present, if the equilibrium N2O4(g) ⇌ 2NO2(g) KP=0.14 is reached after some time
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a
1.8 × 102
b
2.8 × 102
c
0.034
d
2.8 × 10-2
answer is C.
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Detailed Solution
N2O40.1 ⇌ 2NO200.1-α 2α∴ P ∝ 0.1If V and T are constants P ∝ 0.1 + αP=0.1 + α/0.1KP=2α20.1 - α × P0.1 + αor KP=4 α20.1 - α=0.14 α=0.017NO2=0.017 × 2=0.034 mole
0.1 mole of N2O4(g) was sealed in a tube under one atmospheric conditions at 25oC. Calculate the number of moles of NO2(g) present, if the equilibrium N2O4(g) ⇌ 2NO2(g) KP=0.14 is reached after some time