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23 Nov 2019

For the reaction: 2POCl3(g)2PCl3(g) + O2(g) ΔH = +508kJ

Complete the table below by writing: increase, decrease, or noeffect.

Kp

Partial pressure of POCl3

The mixture is cooled from 100 oC to 85oC

PCl3(g) is removed

The total volume is decreased

O2(g) is added

Adding a catalyst

) A 3.000-L flask isinitially filled with 3.00 mol of HI(g) at 448oC.

The reaction is2HI(g) H2(g) +I2(g) Kc = 0.198 at 448 oC.

Calculate the equilibriumconcentrations of H2, I2, and HI in moles perliter at

448oC.

A 50.0 L vessel contains1.00 mol N2, 3.00 mol H2, and 0.500 molNH3.

Will more ammonia,NH3, be formed or will it decompose when the mixturegoes

to equilibrium at 400oC? The equation is N2(g) + 3H2(g)2NH3(g)

Kc = 0.500 at 400oC

3) C (s) +H2O(g) CO(g) +H2(g)

At 800 oC,the equilibrium constant, Kp, is 14.1.

a) Calculate theequilibrium partial pressures of H2O, CO, andH2 at 800 oC if you

start withsolid carbon and 0.20 mol H2O in 2.00 Lvessel

b) Calculate the amount (in moles) of solid carbon needed toestablish equilibrium?

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