Question

Consider the following reaction: A(g)⇌2B(g) Find the equilibrium partial pressures of A and B for each...

Consider the following reaction:

A(g)⇌2B(g)

Find the equilibrium partial pressures of A and B for each of the following different values of Kp. Assume that the initial partial pressure of B in each case is 1.0 atm and that the initial partial pressure of A is 0.0 atm. Make any appropriate simplifying assumptions.

Kp= 1.6×10−4,Kp= 1.6×105,

Kp= 1.6×10−4 Pa, Pb= needed

a)

A ========== 2B

Initial 0 1

Final x (1-2x)

Since the value is very small, hence the numerator will be very small, hence the value of x will be close to 0.5 in this case

The exact value of x in this case will be x=0.4955 (answer in two significant figures will either 0.49 or 0.50)

b)

A ========== 2B

Initial 0 1

Final x (1-2x)

Since the value is very high, hence the denominator will be very small, hence the value of x will be close to 0 in this case

The exact value of x in this case will be x=6.2 * 10^(-6)

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