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Gen Chem I > Chapter 4 > Flashcards

Chapter 4 Flashcards

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1
Q

Dissociation

A

When ionic substances dissolved in water, the solvent pills the individual ions from the crystal and solvated them

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2
Q

Electrolyte

A

A substance that dissociates into ions when dissolved in water

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3
Q

Strong electrolytes

A

All strong acids

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4
Q

Weak electrolyte

A

Weak acids and weak bases

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5
Q

7 Strong Acids

A 
HCL
HBr
HI
HClO3- chloric
HClO4- perchloric
HNO3- nitric
H2SO4 - sulfuric
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6
Q

Metathesis

A

Are exchange reactions

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7
Q

Arrhenius Acid Base definition

A

Increases concentration of H+ when dissolved in water

Bases increase the concentration of OH- when dissolved in water

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8
Q

Bronsted and Lowry Acid and Base

A

Proton donors

PROTON acceptors

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9
Q

Strong Bases

A

Are the soluble metal salts of the hydroxide ion

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10
Q

Molarity

A

Moles of solute/volume of solution in liters

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11
Q

Dilution Equation

A

Mc x Vc = Md x Vd

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12
Q

Solutions

A

Homogeneous mixtures of two or more substances

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13
Q

The solvent is present

A

In the greatest abundance

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14
Q

A nonelectrolyte May dissolve in water but

A

It does not dissociate into ions

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15
Q

The molecular equation lists reactants and products

A

In their molecular form

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16
Q

In the ionic equation

A

All strong electrolytes are dissociated into their ions

17
Q

To form the net ionic equation…

A

Cross out anything that does not change from left side to right side

18
Q

Things that don’t change in ionic equation are called

A

Spectator ions

19
Q

Steps to write net ionic equation

A

Write balanced equation

Dissociate all strong electron

Cross out anything that remains unchanged

Write the net ionic equation with what remains

20
Q

When a carbonate or bicarbonate reacts with an acid the products are

A

A salt, carbon dioxide and water

21
Q

When a sulfite reacts with an acid

A

The products are a salt sulfur dioxide and water

22
Q

To determining if an oxidation reduction reaction has occurred we

A

Assign an oxidation number to each element in a neutral compound or charged entity

23
Q

Oxygen has an oxidation number of

A

-2, except in the peroxide ion where it is-1

24
Q

Hydrogen oxidation number is

A

-1 when bonded to a metal and +1 when bonded to a nonmetal

25
Q

Fluorine always has oxidation number of

A

-1

26
Q

In displacement reactions

A

Ions oxidize an element and the ions get reduced

27
Q

Titration is

A

An analytical technique in which one can calculate the concentration of a solute in a solution

Gen Chem I (7 decks)

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