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kykrilka [37]
3 years ago
7

A solution is saturated in both nitrogen gas and potassium bromide at 750C. When the solution is cooled to room temperature, wha

t is most likely to happen? Why? (5 pts)
a. Some nitrogen gas bubbles out of solution.

b. Some potassium bromide precipitates out of solution.

c. Some nitrogen gas bubbles out of solution and some potassium bromide precipitates out of solution.

d. Nothing happens.
Chemistry
1 answer:
Amiraneli [1.4K]3 years ago
8 0

Some Potassium bromide precipitates out of solution.

Option B.

<h3><u>Explanation:</u></h3>

Solubility is defined as the tendency of a substance to get mixed into a solvent at a particular temperature and pressure. The amount of solubility is defined as the amount of substance in grams which will make a saturated solution of 100ml at a temperature and pressure.

Potassium bromide is a salt and nitrogen is a gas. The solubility of the salts generally increase with temperature in water, and decreases with decrease in temperature. So in case of potassium bromide, the solubility of the salt will decrease, leaving some precipitate in the room temperature.

While in case of gases, the solubility of them do decrease with increase in temperature. So at room temperature, solubility of nitrogen will be more than that in 750°C. So no gas will bubble off.

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