# Problem: At 700 K, the reaction below has an Kp value of 54. An equilibrium mixture at thistemperature was found to contain 1.49 atm of I2 and 4.08 atm of HI. Calculate the equilibrium pressure of H2.H2(g) + I2(g) &lt;=&gt; 2 HI(g).  Enter answer to 2 decimal placesa. 0.05 atmb. 0. 11 atmc. 0.21 atmd. 2.07 atme. 603.29 atm

###### FREE Expert Solution

We’re being asked to calculate the equilibrium pressure of H2, given the following reaction:

H2(g) + I2(g) ⇌ 2 HI(g)         Kp = 54

We're given the following equilibrium pressures::

PI2 = 1.49 atm
PHI = 4.08 atm

The Kp expression for the reaction is:

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###### Problem Details

At 700 K, the reaction below has an Kp value of 54. An equilibrium mixture at this
temperature was found to contain 1.49 atm of I2 and 4.08 atm of HI. Calculate the equilibrium pressure of H2.

H2(g) + I2(g) <=> 2 HI(g).  Enter answer to 2 decimal places

a. 0.05 atm
b. 0. 11 atm
c. 0.21 atm
d. 2.07 atm
e. 603.29 atm