welcome! the topic for today is…. acids and bases definitionsindicatorsphstrong or weak? reactions...
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![Page 1: Welcome! The Topic For Today Is…. Acids and Bases DefinitionsIndicatorspHStrong or weak? Reactions 200 400 600 800 1000 Bonus Question: 5000 pts](https://reader036.vdocuments.us/reader036/viewer/2022070414/5697c01b1a28abf838ccfa16/html5/thumbnails/1.jpg)
Welcome!The Topic For Today Is…
![Page 2: Welcome! The Topic For Today Is…. Acids and Bases DefinitionsIndicatorspHStrong or weak? Reactions 200 400 600 800 1000 Bonus Question: 5000 pts](https://reader036.vdocuments.us/reader036/viewer/2022070414/5697c01b1a28abf838ccfa16/html5/thumbnails/2.jpg)
Acids and BasesDefinitions Indicators pH Strong or
weak?Reactions
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Bonus Question: 5000 pts
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Definitions: 200• Question:• What is the Arrhenius definition of an acid?• Answer• A substance that contributes Hydrogen ions
to water.
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Definitions : 400
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• Question:• What is the Arrhenius definition of a base?• Answer• A substance that contributes Hydroxide ions
to water.
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Definitions : 600• Question:• What is the definition of a Bronsted-Lowry
base?• Answer• A substance that accepts a proton.
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Definitions : 800• Question:• What is the definition of a Bronsted-Lowry
acid?• Answer• A substance that donates a proton.
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Indicators: 1000• Question:• What is an amphoteric substance?• Answer• A substance that has properties of an acid
and properties of a base.• Examples: water, hydrogen carbonate ion
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Indicators: 200• Question:• What type of substance turns red litmus
paper blue?• Answer• A base.
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Indicators : 400• Question:• Based on your reading, what is the most
accurate method of obtaining a pH value?• Answer• pH meter
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Indicators : 600• Question:• What is the color of universal indicator when
placed in pure water?• Answer• green
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Indicators : 800• Question:• Give two reasons why pH paper would not be
useful in measuring the pH of blood.• Answer• The color of the blood would obscure the
color change on the paper• The paper is precise enough to measure
blood pH.Back
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Indicators : 1000• Question:• What is the color of universal indicator when
ammonia gas is bubbled through?• Answer• Dark blue
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pH: 200• Question:• A neutral solution has a pH of what value?• Answer• 7
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pH: 400• Question:• Where do acids fall on the pH scale?• Answer• Below 7
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pH: 600• Question:• Each integer on the pH scale represents a
_____ fold difference in the concentration of hydrogen ions.
• Answer• 10
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pH: 800• Question:• The value of Kw , the self-ionization constant
of pure water is equal to [H3O+][OH-]. Its numerical value is equal to
• Answer• 1 x 10-14
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pH: 1000• Question:• If the [OH-] is 1 x 10-8, the concentration of
hydronium ions in the same solution is• Answer• 1 x 10-6
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Strong or Weak: 200• Question:• What distinguishes a strong acid from a weak
acid?• Answer• The extent to which dissociation of the acid
occurs.
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• Question:• Would HNO3 be characterized as a strong or
weak acid?• Answer• Strong!
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Strong or Weak: 400
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Strong or weak: 600• Question:• When looking at a chemical equation, how is
a strong acid distinguished from a weak acid.• Answer• Double vs. single arrows (→ vs. ↔)
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Strong or weak: 800
• Question:• Many strong bases are made from the
combination of what types of elements with hydroxide?
• Answer• Alkali and alkaline earth metals.
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Strong or weak: 1000
• Question:• Is Na3PO4 considered an acid or a base?• Answer• Strong base
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Reactions: 200• Question:• What kind of reaction takes place when a
base and acid combine to produce water and salt?
• Answer• neutralization
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Reactions: 400• Question:• Name the acid: H2SO4
• Answer• Sulfuric acid
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Reactions: 600• Question:• Predict the conjugate acid formed from the
following reaction: HCl + H2O
• Answer• H3O+
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Reactions: 800• Question:• Predict the conjugate base that forms as a
result of the following reaction:NH4
+ + H2O ↔• Answer• NH3
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Reactions: 1000• Question:• A buffer solution can be made by varying the
concentrations of a weak acid and its______• Answer• Conjugate base
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Bonus Question: 5000 pts.
• Question:• Give the pH of pancreatic juice.• Answer• …• 7.9
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Daily Double
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Daily Double