At a pressure of 1.00 atm, the solubility of nitrogen in water is 23.5 mg gas/10

Question

At a pressure of 1.00 atm, the solubility of nitrogen in water is 23.5 mg gas/100 g water. Indicate whether each of the following changes would increase or decrease the solubility of nitrogen in water.

Drag the appropriate items to their respective bins.

a) the solution is placed in a chamber where the pressure is 0.50atm

b)the solution is brought into outer space

c)the solution is canned at a pressure of 2.04 atm

d)the solution is carried to the top of a mountain

e)the solution is submerged 40m under water

Explanation / Answer

(a) Decrease - according to Henry's law pressure is directly proportional to solubility.

(b) Hope, outer space means where there is no pressure - which causes decrease in the solubility.

(c) Increase - according to Henry's law as the pressure increases solubility also increases.

(d) Decreases - as move to the top of a mountain pressure decreases, hence solubility decreases.

(e) Increases - as pressure increaseddue to water.

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