Term
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Definition
| The solid that dissolves into the solvent |
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Term
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Definition
| The liquid part that has things dissolve into it |
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Term
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Definition
| A mixture of one substance dissolved in another |
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Term
| What does dissolved mean? |
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Definition
| When a solute 'disappears' into the solvent |
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Term
| Why is water a good solvent? |
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Definition
| Because many chemicals dissolve in it |
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Term
| What are some things that dissolve in water? |
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Definition
| Sugar, ammonia, cordial, salt, detergent, copper sulfate, blood |
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Term
| What does insoluble mean? |
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Definition
| Not capable of being dissolved eg sulfur in water |
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Term
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Definition
| Able to be dissolved eg CuSO4 in water |
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Term
| What does suspension mean? |
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Definition
| A system in which microscopically visible particles are dispersed throughout a less dense liquid or gas from which they are easily filtered but not easily settled because of system viscosity or molecular interactions. eg flour in milk |
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Term
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Definition
| A system in which finely divided particles, which are approximately 10 to 10000 angstroms in size, are dispersed within a continuous medium in a manner that prevents them from being filtered easily or settle rapidly |
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Term
| What does water exist as in nature? |
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Definition
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Term
| In a phase diagram what is the triple point for water? |
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Definition
| 0.006atm and 0.01degrees celcius |
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Term
| How much of human beings are water? |
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Definition
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Term
| What percentage of our blood is water? |
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Definition
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Term
| Water has a relatively high what? |
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Definition
| Heat capacity, which means it can absorb (and release) large quantities of heat energy with relatively small temperature changes |
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Term
| What is the formula for calculating density? |
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Definition
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Term
| What are the three intermolecular bond types? |
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Definition
| Ionic, Hydrogen, Dipole-Dipole |
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Term
| What type of molecule is water? |
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Definition
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Term
| What is a polar molecule? |
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Definition
| Where one end of a molecule has a different charge to the other |
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Term
| What is overall polarity? |
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Definition
| Where a molecule contains more than one polar bond, the polarity of the molecule is found by adding each of the individual bond dipoles |
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Term
| What has to happen to a molecule so it is overall polar? |
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Definition
1.The molecule MUST contain one or more polar bonds.
2.The molecule must NOT be completely symmetrical |
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Term
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Definition
| are attractive forces between the positive end of one polar molecule and the negative end of another polar molecule |
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