Chracteristics | Vocabulary | Fast Facts | Acids & Bases | Acids & Bases pt. 2 |
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What characteristic helps transport water against gravity in plants?
Cohesive Behavior
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When hydrogen bonds hold water molecules together:
Cohesion
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The pH of water is?
7
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_____ decreases as H+ increases
pH
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What is a base?
A substance that reduces the hydrogen ion concentration of a solution.
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What characteristic can affect the rate of a chemical reaction?
Ability to control temperature
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An attraction between different substances:
Adhesion
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______ makes all life possible?
Water
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A substance that minimizes changes in the concentrations of H+ and OH- in a solution:
A Buffer
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Does Ammonia (NH3) act as an acid or base?
Base
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What characteristic is activated at 32 degrees f?
Expansion upon freezing
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The measure of how difficult it is to break the surface of a liquid:
Surface Tension
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What percent of the human body is made of water?
78%
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Compared with a basic solution at pH 9, the same volume of an acidic solution at pH 4 has ____ times as many hydrogen ions.
10 5, or 100, 000
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Is sodium hydroxide (NaOH) an acid or base?
Base
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What characteristic gives water the ability to dissolve substances?
Versatility as a solvent
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Dissolves into water, a strong conductor of electricity.:
Strong electrolyte
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What is the chemical formula for water?
H2O
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What is an acid?
A substance that increases the hydrogen ion concentration of a solution.
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Which is more acidic? Lemon Juice, or Black Coffee
Lemon Juice
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Is water a polar or nonpolar bond?
Polar
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Charge is unevenly distributed:
Polar Molecule
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What is the boiling point of water?
212 degrees f
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HCl is a strong acid that dissociates in water: HCl➡ H+ + Cl-. What is the pH of 0.01 M HCl?
2
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Which is more basic? Bleach or Seawater
Bleach
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