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GEN CHEM > Physical Properties > Flashcards

Physical Properties Flashcards

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1
Q

Combination of 2 or more substances that do not combine chemically but remain the same individual substances; can be separated by physical means

A

MIXTURE

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2
Q

Consist of visibly different substances or phrases (solid,liquid,gas)

A

Heterogeneous

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3
Q

Has the same uniform appearance and composition throughout

A

Homogeneous

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4
Q

Homogeneous mixture commonly referred to as __________.

A

Solutions

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5
Q

Mixture of two or more substances that is identical throughout (homogeneous)

A

Solution

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6
Q

Can be physically separated

A

Solution

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7
Q

This composed of solutes and solvent

A

Solution

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8
Q

What is solute?

A

The substances being dissolved

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9
Q

Solvent?

A

The substances that dissolves the solute

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10
Q

can be spontaneously mix in any proportion

A

Gaseous solutions

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11
Q

Is the most common and they can be obtained by dissolution of a gaseous, liquid or solid solute

A

Liquid solutions

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12
Q

They are generally called alloys. Where two or more metals are present

A

Solid solutions

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13
Q

Mercury alloys are called _______ and thy can be liquid or solid. Ex: alloys =steel,brass etc

A

Amalgams

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14
Q

In air how many percentage of nitrogen?

A

78%

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15
Q

In air, How many percentage is oxygen

A

20%

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16
Q

Example of liquid and gas

A

Soda

17
Q

Example of liquid and solid

A

Saltwater,Milo and milk

18
Q

Example of liquid and liquid

A

Oil and vinegar (salad dressing) perfume

19
Q

A solution composed two or more elements. It chemically combined and can be separated by physical means

A

Alloy

20
Q

The amount of solute dissolved in a solvent at a given temperature

A

Concentration

21
Q

Low concentration of solute dissolved

A

Dilute

22
Q

If it has a high concentration of solve dissolved, can see solid in bottom of a solution

A

Concentrated

23
Q

What is the other term of mercury alloy?

A

Amalgams

GEN CHEM (2 decks)

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