Use the following drawing of a gaseous solute in equilibrium with a solution to

Question

Use the following drawing of a gaseous solute in equilibrium with a solution to help answer the question below. Which of the following statements are true when the piston is pushed in (downward)? This will cause the pressure of the gas to decrease and the concentration of the dissolved gas to go down. This will cause the pressure of the gas to increase and the concentration of the dissolved gas to go down. This will cause the pressure of the gas to increase and the concentration of the dissolved gas to go up. This will cause the volume of the gas to increase and the concentration of the dissolved gas to go up. This will cause the volume of the gas to decrease and the concentration of the dissolved gas to go down.

Explanation / Answer

When you push down, the system gets pressurized (you are doing work on the system) therefore, it INCREASES PRESSURE

then, the volume decreases

according to equilibirum laws, i.e. Henry law

the more partial pressure of a gas, the more concnetration of gtas in liquid, tehrefore, more pressure, expect higher concnetration (or to icrease)

choose C

P increases, and C goes up

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