Chapter 4 Flashcards

1
Q

What does dissolution mean?

A

Dissolving

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2
Q

Is water polar or nonpolar?

A

Polar, Oxygen is negative and Hydrogen is positive

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3
Q

Which is a characteristic of a electronegative in a compound

A

A more electronegative, negative element

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4
Q

Define solute

A

Substance being dissolved

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5
Q

Define solvent

A

Liquid water

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6
Q

Define electrolyte

A

Substance that when dissolved in water produces a solution that can conduct electricity (only ionic)

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7
Q

What do strong electrolytes do?

A

conduct current very well. completely dissolves (dissociates) in water

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8
Q

What do weak electrolytes do?

A

conduct only a small current. partially dissolves in water

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9
Q

What do nonelectrolytes do?

A

No current flows. Do not dissolve in water

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10
Q

What is Arrhenius’s theory

A

an acid is a substance that produces H+ ions (protons) when dissolved in water.

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11
Q

How do you find Molarity (concentration)

A

Molarity= Moles of solute / liters of solution

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12
Q

What does concentrated mean?

A

A lot of solute in the solvent

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13
Q

What does dilute mean?

A

Small amount of solute dissolved in solvent

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14
Q

What should you mention in the dilution procedure

A

Use a pipet to measure water—place it in a volumetric flask. Start with the highest molarity of solute. Measure the solution with the pipet. Add acid to the water. Add tiny drops of water using a dropper until it reaches the hash mark

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15
Q

What are the soluble ions

A

Group One, Ammonia, Acetate, and Nitrate

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16
Q

What is an acid

A

proton donor

17
Q

What is a base?

A

proton acceptor

18
Q

What is a redox reaction?

A

The transfer of electrons (Oil Rig)

19
Q

Oxygen

A