Problem: At a certain temperature, Kp for the reaction,Br2(g) ⇌ 2 Br(g) is 1,130.3.Calculate the value of Kp for the reaction,1/2 Br2(g) ) ⇌ Br(g)a. 565.15b. 2260.6c. 0.0297d. 33.62e. 1.28x106

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We're being asked to calculate the Kp for the following reaction: 

1/2 Br2(g) Br(g) 

We're given the reaction:     Br2(g) 2 Br(g)       Kp = 1130.3


To calculate the Kp of the reaction equation, we’re going to use Hess’s Law. We’re going to manipulate the reactions with given Kp value to get the reaction equation with the unknown Kp.

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Problem Details

At a certain temperature, Kp for the reaction,

Br2(g) ⇌ 2 Br(g) is 1,130.3.

Calculate the value of Kp for the reaction,

1/2 Br2(g) ) ⇌ Br(g)

a. 565.15
b. 2260.6
c. 0.0297
d. 33.62
e. 1.28x106