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Water loopy Power Point

Water loopy Power Point . Ionic compounds tend to be more soluble than covalent compounds in water. Solubility is measured in g/l at a particular pressure. When a saturated solution is cooled more solute will dissolve in it. Solute: solid Solvent: liquid Soluble: will dissolve

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Water loopy Power Point

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  1. Water loopy Power Point

  2. Ionic compounds tend to be more soluble than covalent compounds in water.

  3. Solubility is measured in g/l at a particular pressure.

  4. When a saturated solution is cooled more solute will dissolve in it.

  5. Solute: solid Solvent: liquid Soluble: will dissolve Insoluble: won’t dissolve Solution: solute dissolved in solvent

  6. The amount of substance that will dissolve in a solvent is affected by the temperature of the solvent.

  7. Gases behave in the opposite way to solids in the way they dissolve in water.

  8. Solubility (g/ 100 g water) Pressure (atm) This graph shows the solubility of oxygen in water at 0oC.

  9. Solubility always increases with temperature.

  10. Fizzy drinks are made by dissolving oxygen in water at high pressures.

  11. Soft water contains dissolved substances such as calcium and magnesium salts.

  12. Washing in hard water uses more soap, making it more expensive.

  13. Hard water cools over night in central heating systems. This furs up heating elements making them inefficient.

  14. Water can be softened by using magnesium carbonate (washing soda) or an ion-exchange column.

  15. Filtering using fine sand and adding bromine help to prepare water for drinking.

  16. Answers ...

  17. Ionic compounds tend to be more soluble than covalent compounds in water. True

  18. Solubility is measured in g/l at a particular pressure. False

  19. When a saturated solution is cooled more solute will dissolve in it. False

  20. Solute: solid Solvent: liquid Soluble: will dissolve Insoluble: won’t dissolve Solution: solute dissolved in solvent True

  21. The amount of substance that will dissolve in a solvent is affected by the temperature of the solvent. True

  22. Gases behave in the opposite way to solids in the way they dissolve in water. True

  23. Solubility (g/ 100 g water) Pressure (atm) This graph shows the solubility of oxygen in water at 0oC. True

  24. Solubility always increases with temperature. False

  25. Fizzy drinks are made by dissolving oxygen in water at high pressures. False

  26. Soft water contains dissolved substances such as calcium and magnesium salts. False

  27. Washing in hard water uses more soap, making it more expensive. True

  28. Hard water cools over night in central heating systems. This furs up heating elements making them inefficient. False

  29. Water can be softened by using magnesium carbonate (washing soda) or an ion-exchange column. False

  30. Filtering using fine sand and adding bromine help to prepare water for drinking. False

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