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mylen [45]
2 years ago
7

Why are saturated solutions not stable?​

Chemistry
1 answer:
Kazeer [188]2 years ago
6 0

Because the solubility of most solids increases with increasing temperature, a saturated solution that was prepared at a higher temperature usually contains more dissolved solute than it would contain at a lower temperature. Like a supercooled or superheated liquid, a supersaturated solution is unstable .

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Answer:

209.3 Joules require to raise the temperature from 10 °C to 15 °C.

Explanation:

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It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m × c × ΔT

Given data:

mass of water = 10 g

initial temperature T1= 10 °C

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temperature change =ΔT= T2-T1 = 15°C - 10°C = 5 °C

Energy or joules added to increase the temperature Q = ?

Solution:

We know that specific heat of water is 4.186 J/g .°C

Q = m × c × ΔT

Q = 10 g × 4.186 J/g .°C × 5 °C

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