Term
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Definition
| a substance that donates a proton |
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Term
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Definition
| a substance which accepts a proton. |
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Term
| Can water donate a proton or accept a proton? |
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Definition
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Term
| Strong acids & bases ______ completely in water |
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Definition
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Term
| What happens to a weak acid in water? |
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Definition
| Weak acids donate a proton to water to form hydronium (H3O+) ions |
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Term
| What happens to a weak base in water? |
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Definition
| Weak bases accept a proton to form a conjugate acid |
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Term
| At equilibrium, dissociation occurs at a ______ rate |
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Definition
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Term
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Definition
| Describes the rate of a reaction, it's the dissociation constant |
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Term
| The negative log of Ka is known as? |
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Definition
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Term
| As pKa increases, what happens to Ka? |
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Definition
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Term
| Dissociation constant for bases? |
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Definition
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Term
| Henderson-Hasselbalch pH equation |
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Definition
| pKa + log [conjugate base]/[weak acid] |
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Term
| % Ionization for weak acids = |
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Definition
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Term
| Important property of a buffer |
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Definition
| Resists large pH fluctuations upon addition of relatively large quantities of strong acid or strong base |
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Term
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Definition
| the concentration of each component of the buffer pair |
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Term
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Definition
| It is the range at which the buffer is most effective in resisting changes of pH. |
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Term
| What is the composition of a buffer? |
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Definition
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Term
| Dihydrogen phosphate ions (H2PO4-) act as a?? |
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Definition
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Term
| Hydrogen phosphate ions (HPO42-) act as a? |
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Definition
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Term
| When the buffered pH is close to pKa, what happens to buffering capacity? |
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Definition
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Term
| How is buffering capacity expressed? |
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Definition
| The moles of NaOH to increase pH by one unit or the moles of HCl to decrease pH by one pH unit |
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Term
| What happens to buffering capacity as the moles of a buffer increases? |
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Definition
| Buffering capacity increases |
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Term
| Is pH indicator a weak acid or a base? |
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Definition
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Term
| For labs 2-11 we wash glassware with? |
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Definition
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Term
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Definition
| Solubility is the property of a solid, liquid, or gaseous chemical substance called solute to dissolve in a solid, liquid, or gaseous solvent to form a homogeneous solution of the solute in the solvent |
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Term
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Definition
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Term
| Generally which is less soluble? Undissociated form or it's salt? |
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Definition
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