At 40.°C, 2.0 mol of hydrogen and 2.00 mol bromine are put in a 2.0L flask and allowed to react according to the reaction: H2(g) + Br2(l) (double arrow) 2 HBr(g). Kp for this reaction is 1.75x10^2 a. Determine the pressure of HBr at equilibrium. Pressure = b. Determine the pressure of hydrogen at equilibrium. Pressure =

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Chapter18: Thermodynamics And Equilibrium
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Problem 18.124QP: Hydrogen gas and iodine gas react to form hydrogen iodide. If 0.500 mol H2 and 1.00 mol I2 are...
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At 40.°C, 2.0 mol of hydrogen and 2.00 mol bromine are put in a 2.0L flask and allowed to react according
to the reaction: H2(g) + Br2(l) (double arrow) 2 HBr(g). Kp for this reaction is 1.75x10^2

a. Determine the pressure of HBr at equilibrium.

Pressure =

b. Determine the pressure of hydrogen at equilibrium.

Pressure =

c. Determine the mass of bromine remaining in the flask at equilibrium.

mass =

Expert Solution
Step 1

Ideal gas equation is PV = nRT

                                 P= nRTV

Given, Temperature =40C  = 40+273K = 313K

           R = 0.08206 atm/mol K

          Volume = 2L

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