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Chem > Chapter 16 > Flashcards

Chapter 16 Flashcards

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1
Q

What is an acidic solution?

A

One that contains more hydrogen ions than hydroxide ions.

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2
Q

What is a basic solution?

A

One that contains more hydroxide ions than hydrogen ions.

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3
Q

What is a neutral solution?

A

One that has equal amounts of hydroxide and hydrogen ions.

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4
Q

Arrhenius Acid

A

Contains hydrogen ions in the front of the equation and dissociates to produce hydrogen ions in water

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5
Q

Arrhenius Base

A

Contains a hydroxide group and dissociates to produce hydroxide ions in water.

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6
Q

B-L acids

A

proton (or H+) donors

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7
Q

B-L bases

A

proton (or H+) acceptors

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8
Q

What is a conjugate acid?

A

The substance produced when a base accepts H+

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9
Q

What is a conjugate base?

A

The substance produced when an acid gives up H+

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10
Q

pH<7

A

acidic

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11
Q

pH=7

A

neutral

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12
Q

pH>7

A

basic

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13
Q

strong acids and bases

A

strong acids and bases ionize completely in water. The equilibrium strongly favors the products.

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14
Q

weak acids and bases

A

weak acids and bases only partially ionize. The equilibrium favors the reactants.

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15
Q

What are the strong acids?

A

HCl, HBr, HI, HNO3, H2SO4, HClO3, HClO4

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16
Q

What is an indicator?

A

An indicator changes color based on the pH of a solution.

17
Q

What is a titration?

A

A technique used to determine the concentration of a solution through a neutralized reaction.

18
Q

What is a buffer?

A

A buffer is a solution that resists change to pH.

19
Q

What are buffers made from?

A

Buffers are made from weak acids and salts of their conjugate base or weak bases and salts of their conjugate acid.

20
Q

What is the pH scale?

A

pH measures the amount of H+ in a solution.

21
Q

What things cannot make buffers?

A

strong things (strong acids and bases)

Chem (5 decks)

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