Question

10. Crystals of a solute were dissolved in warm water until most of them disappeared. Then
the solution was cooled with ice water, crystals reformed. What factor affected the solubility of the
substance?
a. particle size
c. stirring
b. pressure
d. temperature
​

Answer 1

Answer:

temperatures is your required answer

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Answer 2

Answer:

Temperature affected the solubility of the substance. i.e.(d).

Explanation:

Its solubility is the maximum amount of solute that may dissolve in a known volume of solvent at a specific temperature.

Factors affecting solubility:-

• Temperature-We can make a solute more soluble by adjusting the temperature. In general, water dissolves solids at 20 or 100 degrees Celsius. By raising the temperature, sparingly soluble solid or liquid compounds can dissolve entirely. However, for gaseous substances, the temperature has the opposite effect on solubility; as the temperature rises, gases expand and separate from their solvent.
• Forces and bonds-In like, like dissolves. Each molecule has a unique set of intermolecular forces and connections. The likelihood of solubility between two dissimilar compounds is less likely than that between like substances. For instance, ethanol is easily soluble in water, which is a polar solvent.
• Pressure-Pressure has a significantly greater impact on gases than on solids and liquids. The likelihood of a gas's solubility increases along with its partial pressure. One instance of how CO₂ is stored under high pressure is in a soda bottle.

So, in this case, the factor that affects the change is temperature i.e.(d).

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