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Write the answers to the following questions:

1. How does geochemistry help us to solve problems such as pollution and climate change?

2. Explain solubility curves and the effect of temperature on solubility.

3. Write the solubility of the following salts in g/100g of solvent at different temperatures: NaCl, KCl, NH₄Cl, Ca(OH)₂.

4. How does the quantum mechanical model describe the behavior of electrons? Explain the principle that pertains to it and what it states.



Answer :

GinnyAnswer

Final answer:

Solubility of solids and gases change with temperature, affecting the amount that can dissolve in a solution.


Explanation:

Solubility and Temperature

Saturated vs. unsaturated solutions: In a saturated solution, no more solute can dissolve at a given temperature, while in an unsaturated solution, more solute can dissolve. Effects of temperature: Generally, the solubility of solids increases with temperature, while the solubility of gases decreases.

  1. NaCl: 36g at 0°C, 39g at 100°C
  2. KCl: 34g at 0°C, 56g at 100°C
  3. NH4Cl: 29g at 0°C, 41g at 100°C
  4. Ca(OH)2: 0.189g at 0°C, 0.211g at 100°C

Learn more about Solubility and Temperature here:

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