Sea water is a homogeneous solution containing salts and water. Answer:___ In th

Question

Sea water is a homogeneous solution containing salts and water. Answer:___ In the solution process, the breaking of solute particles is an endothermic process because energy is released when molecules are separated. Answer:___ Entropy change in the solution process is generally positive. Answer:____ Nonpolar solutes are generally insoluble in nonpolar solvents. Answer:____ Decreasing partial pressure lowers the solubility of gases, liquids and solids. Answer:____ Solubility of gases in water generally decreases at lower temperature. Answer:____ Solubility of gases in water generally decreases at lower partial pressure. Answer:____ Solubility of solids in water generally increases at lower temperature. Answer:____ Molarity varies with temperature, whereas molality remains unaffected by varying temperature. Answer:____ The semipermeable cell membrane in red blood cells permits water and small molecules such as salts to pass through. Answer:____

Explanation / Answer

1. True

Since salt is completely soluble in water

2. True

3. True

A positive entropy means system has more freedom

4. False.

Non polar solute are soluble in non polar solvent

5. True.

Decreasing the partial pressure will make the solute to diffuse solwly

6. False

Solubility of gases increased at lower temperature

7. True

Solubility of gases will decreased at lower partial pressure

8. False

Solubility of solid reduced at lower temperature

9. True

10. True

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