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Chem:113 > Ch. 4 > Flashcards

Ch. 4 Flashcards

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1
Q

What are solutions

A

A homogeneous mixture of two or more pure substances

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2
Q

What is a solution called when water is the solvent?

A

Aqueous solution

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3
Q

When does dissolution occur

A

Occurs when ion is formed from the Solvation process

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4
Q

What is morality

A

Moles per solute per volume of solution in liters

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5
Q

What are the 3 electrolytes

A

Strong, weak, nonelectrolyte

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6
Q

What is a strong electrolyte

A

Dissociates completely when dissolved in water

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7
Q

What is a weak electrolyte

A

Only dissociates partly when dissolved in water

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8
Q

What is a nonelectrolye

A

Does not dissolvable in water

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9
Q

What Is chemical equilibrium

A

The state where the amount of product formed and lost are equal and no increase/decrease of product occurs

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10
Q

Ionic compounds, that are electrolytes,________________.

A

Dissociates in water

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11
Q

What are precipitation reactions

A

Reaction that results in the formation of an insoluble product

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12
Q

What is oxidation

A

Loss of electron

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13
Q

What is reduction

A

Gain of electron

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14
Q

Combustion

A

A chemical reaction between substances

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15
Q

Combination

A

Two or more elements or compounds combine to form a single compound
(Synthesis reaction)

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16
Q

Decomposition

A

Process/effect of simplifying a single chemical entity into two or more fragments

17
Q

Neutralization

A

Chemical reaction in which acid and a base react quantitively with each other

18
Q

Single-placement reaction

A

Chemical reaction in which one element is substituted for another element in a compound

19
Q

What are oxidation reduction reactions?

A

The transfer of electrons between reactants forming the products

20
Q

Molecular equation

A

When the complete chemical formulas of all reactants and products are used

21
Q

Acids

A

Proton donors; they increase the concentration of H+

22
Q

Bases

A

Proton acceptors; they increase the concentration of OH-

23
Q

Exchange reactants

A

When cations and anions appear to exchange partners

24
Q

Complete ionic equation

A

Shows all dissolves strong electrolytes as their component ions

25
Q

Net ionic equation

A

Those ions that go through the reaction unchanged (spectator ions) are omitted

26
Q

The component of the solution that is present in the greatest quantity the __________. The other components are __________.

A

Solvent; solutes

27
Q

What is the law of conversion of mass?

A

Total mass % after a chemical reaction

28
Q

What is a product

A

Substance produced in a chemical reaction

29
Q

What is a reactant

A

A starting substance in a chemical reaction

30
Q

What is an aqueous solution

A

Solution in which water is the solvent

Chem:113 (2 decks)

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