Unit 5 Flashcards

0
Q

Define solvent

A

Able to dissolve other substances

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1
Q

Define solute

A

The minor ( smaller amount ) in a solute dissolved in the solvent

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2
Q

Define solubility

A

Referring to the ability for a given substances the solute to dissolve is a solvent

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3
Q

Name 3 things that can increase the rate of solubility

A

Increase temperature
Smaller particals
Stirring the solution

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4
Q

If you have 80 milliliters of vinegar and you add 20 milliliters of water. In this solution the water is identified as what part of the solution

A

The water would be the solute because it is the smaller amount

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5
Q

Is the process of dissolving a solute in a solvent a chemical reaction or a physical reaction

A

Physical change because it is the smaller amount

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6
Q

Why is water described as a universal solvent

A

The unequal sharing of electrons between oxygen and hydrogen

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7
Q

Explain what happens to solubility when you increase the temperature

A

As you increase temperature the solubility increases

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8
Q

Why is water described as a polar substances

A

A positive end and a negative end

Positive charge

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9
Q

What most impacts weather a substance will dissolve in water

A

Polarity ( if it is polar it will dissolve if non polar will not dissolve

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10
Q

What is a ph level

A

Is a measure of how acidic or basic a substance is

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11
Q

Give characteristics of an acid

A

Acid taste sour

Acids react strongly with metals

Ph level 0-6

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12
Q

When you combine an acid and a base what happens

A

Acids mixed with bases neutralize each other

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13
Q

What is a neutral solutionsph

A

Ph of 7

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14
Q

A liquid with a ph 3.0 is how many times more acidic than one with a ph of 4.0

A

Ten times

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15
Q

What is acidic rain

A

Acid rain is a raider any form of precipitation that is unusually acidic meaning that it possess elevated levels of hydrogen ions

16
Q

What is the main source of acid rain

A

Nitrogen oxide

Sulfur dioxide

17
Q

Give characteristics of a base

A

Tastes bitter
Slippery to the touch
Ph level between 8-14