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shark
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5
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How can solutions be classified?
Homogenous or Heterogeneous ; Supersaturated, Saturated, or Unsaturated
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heart
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gift
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baam
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15
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Name three factors contributing to the global water crisis.
1) Population Growth, 2) Increasing Demand for Water, and 3) Pollution of Water Sources
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10
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Define a solution.
A homogeneous mixture of two or more substances consisting of a solute dissolved in a solvent.
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5
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What type of forces are hydrogen bonds?
Dipole-dipole forces
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10
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What does a solubility curve show?
The solubility of a solute in a specific solvent over a range of temperatures.
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15
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How does temperature affect the solubility of gases? Why?
As temperature increases, the solubility of gases decreases.
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What is the difference between miscible and immiscible? What types of solutions does this refer to?
Miscible = substances that can mix together, Immiscible = substances that can NOT mix together ; occurs betwen two liquids
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10
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Define dilution using the terms: solute, solvent, and concentration.
Dilution is the process of adding more solvent to a solution to reduce the concentration of solute.
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Describe the notable regions (above, on, below aline) when reading a solubility chart.
Above = supersaturated, On = saturated, Below = unsaturated
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What are being expressed in dissociation equations? What happens to polyatomic atoms during dissociation?
Ions ; Polyatomic atoms will remain together
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10
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What powers the water cycle, moving water through its various states?
Energy from the Sun
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Describe the relationship between pressure and solubility for gases.
The solubility of gases increases as the applied pressure increases.
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