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20 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Acid + H2O yields ____ ions. |
H+ or (H3O+) ions |
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Base + H2O yields _____ ions. |
OH- ions |
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How is H+, the hydronium ion, represented chemically? |
H3O+(aq) Or H+ |
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Bronsted-Lowry: an acid _____ an H+ ion to another substance |
Donates Loses Gives |
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Bronsted-Lowry: a base _____ an H+ ion from another substance |
Accepts Gains Obtains |
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A compound able to react as both a base and an acid (especially metal oxides, hydroxides) |
Amphoteric |
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The PH scale represents the concentration of _____ in water |
H3O |
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The difference between one number on the PH scale and another is? |
Ten fold |
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What type of solution has the higher concentration of H3O+ vs OH- ? |
Acidic |
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What type of solution has more concentration of OH- than H3O+? |
Basic |
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What solution has equal concentrations of OH- and H3O+ ? |
Neutral |
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What is the ion-product constant of water? |
Kw = [H3O+][OH-] |
Keyword: product, multiply |
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What is the value of Kw at 25 celsius? |
1.0 * 10^-14 |
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The very small value of Kw (10^-14) indicates that the equilibrium of H2O + H2O —> H3O + OH- lies very far to the: |
Left |
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The PH range for blood is |
7.35 - 7.45 |
Luck seven |
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A buffer is a combo of two things: |
Weak acid and it’s conjugate base |
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What are the formulas for carbonic acid and it’s conjugate base? |
H2CO3 and HCO3- |
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Acids change blue litmus to? |
Red |
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Bases turn red litmus to |
Blue |
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What is the conjugate base of H2O? |
OH- |
Subtract an H+ and add one electron |
