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17 Cards in this Set
- Front
- Back
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all of life's processes
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chemical reactions
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all of life's reactions
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take place in water
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solution
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mixture of two or more substances
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solute
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something dissolved
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solvent
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doing the dissolving
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soluble
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charged and polar; small
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water will not break ____. It will break ____ and ____.
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covalent bonds; ionic bonds; hydrogen bonds
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how does water break these bonds?
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gets between them and clusters
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aqueous solution
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water is solvent
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hydrophilic
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water will stick to it; charged or polar; adhesive
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example of hydrophilic substance
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cellulose. Cotton is 100% cellulose.
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hydrophobic
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water will not stick to it; neutral; nonpolar and nonionic compounds. Will not mix or dissolve in water
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4 things that affect rate of chemical reactions
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1) concentration of solutes
2) enzymes 3) pH 4) temperature |
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nearly all of life's processes take place on what pH?
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pH 7
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what does pH measure?
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hydrogen ions
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the stronger the acid...
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the more H+ ions and less OH-
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As H+ increases...
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the pH decreases
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