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Chem Phys > Chapter 8 test > Flashcards

Chapter 8 test Flashcards

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0
Q

Small amount of solute with a large amount of solvent

A

Dilute

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1
Q

Measures the amount of solute dissolved in a given quantity of a solvent

A

Concentration

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2
Q

Large amount of solute with a similar amount of solvent

A

Concentrated

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3
Q

The number of moles of solute per liter of solution

A

Molarity

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4
Q

A homogeneous mixture made up of a solvent and a solute

A

Solution

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5
Q

The substance doing of the dissolving. Example. Water in Kool-Aid

A

Solvent

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6
Q

The substance being dissolved. Example sugar and Kool-Aid.

A

Solute

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7
Q

The maximum amount of solute that can dissolve in a certain amount of solvent at a given temperature

A

Solubility

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8
Q

How fast the substance dissolves

A

Rate of solution

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9
Q

A solution that has dissolved in it all the solute that it can normally hold. Example towel all wet but not dripping

A

Saturated solution

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10
Q

A solution that has less solute then I can hold at a certain temperature and pressure. Example towel partially wet and dry

A

Unsaturated solution

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11
Q

A solution that has more solvent and then his present in their saturated state. Example towel all wet and dripping

A

Supersaturated solution

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12
Q

A compound that produces H30 in water

A

Acid

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13
Q

A compound that produces OH in the water

A

Base

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14
Q

A scale used to describe the concentration of H30 ions

A

PH

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15
Q

A solution that resist change in pH

A

Buffer

16
Q

Indicates an acid or base

A

Indicator

17
Q

Can be both an acid and a base

A

Amphoteric

18
Q

A substance that ionizes or dissossitates into ions when dissolved in water

A

Electrolyte

19
Q

What are three properties of bases? are they acceptors or donors?

A

Slippery. Bitter. Turns red litmus paper blue.

Acceptors

20
Q

Name three properties of acids. Are they donors or acceptors?

A

Sour. Reacts with metal. Turns blue litmus paper red.

Donors

21
Q

How do you know if an acid or base is strong or weak? (Not PH)

A

If that ionizes or dissossitates completely or partially in water

22
Q

What is pH a measure of

A

Hydronium (H3O+) Ion concentration in water

23
Q

What is the pH scale? Where is a strong base and a strong acid found on the scale?

A

Something that describes how acidic or basic something is. 14 is a high base and 1 is a high acid

24
Q

What is the unit used to measure a solutions OH or H concentration

A

Molarity

25
Q

What is the relationship between the OH & H concentration in a solution

A

The stronger the H concentration to lower the OH concentration and vice versa

26
Q

What a strong base have a low or high H concentration and what a strong acid have a lower high OH concentration

A

Strong base would have a low H concentration. A strong acid would have a low OH concentration

27
Q

What a strong acid have a weak or strong conjugate base

A

Weak

28
Q

What types of solutions make the best electrolytes

A

Strong acids and bases

29
Q

What are the products one acids and bases react? What type of reaction is this

A

Salt and water. Neutralization or double replacement

30
Q

What makes up a solution what are their roles

A

Solute - what gets dissolved

Solvent - what does the dissolving

31
Q

What are three things that you could do to increase the rate of dissolving the salt in the solvent

A

One. Increase the temperature
Two. Increase the energy
Three. Decrease size of the solid

32
Q

How would increasing the temperature affect the solubility of N2 in a solvent? Why

A

It would decrease the solubility because N2 is already a gas.

33
Q

What property effects the solubility of a gas-liquid solution, but has no impact on a solid-liquid solution? And how does this impact of the solution?

A

Pressure

As the pressure increases, the solubility increases also

34
Q

What happens when strong acids or strong bases dissolve in water?

A

It ionizes or dissossitates almost completely

Chem Phys (6 decks)

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