Chemistry help gas phase equillibrium?

Consider the gas phase equilibrium

C(s) + CO2(g) <----> 2CO (g)

Carbon (solid graphite), carbon dioxide, and carbon monoxide from an equilibrium mixture, as represented by the reaction. How would the amount of CO2 at equilibrium change (increase, decrease, or stay the same) for each of the following situations. Justify your prediction.

1. The partial pressure of the CO is increased.

2. The volume of the reaction vessel is increased.

3. Neon gas is added to the reaction vessel.

4. CO is removed at a steady rate.

5. The amount of C(s) is doubled.

An experiment to measure the amount of CO is performed. At 700 degrees celsius the mixture is 60% CO, at 850 degrees celsius the mixture is 94 % CO. Predict the sign of the change in enthalpy for the reaction. Justify your prediction.

In another equilibrium situation, lead (II) iodide dissolves in water according to the equation:

PbI2(s) <----> Pb2+ + 2I- delta H = +46.5

The solubility product constant, Ksp, for PbI2 is 7.1 x 10 -9 at 25 degrees celsius.

1. How does the entropy of the system PbI2(s) + H2O(l) change as PbI2 (s) dissolves in water at 25 degrees celsius? Explain your answer.

2. If the temperature of the system were lowered from 25 degrees celsius to 15 degrees celsius, what would be the effect on the value of Ksp? Explain your answer.

3. If additional solid PbI2 were added to the system at equilibrium, what would be the effect on the concentration of I- in solution? Explain.

Comments

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  • increasing the rigidity will boost the quickest reaction, for this reason the reaction between NO and Cl2. yet, including argon decreases the possibilities that NO and Cl2 will meet through dimensions of the argon molecule. think of of length, velocity of reaction, rigidity. if the rigidity have been extra desirable via reducing the dimensions of our surroundings, you're able to particularly get extra NOCl. think of of the kinetic molecular concept of gas circulate

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