Fundamental Laws Flashcards

1
Q

Mass can neither be created nor destroyed in a chemical reaction

What is this law called

A

Law of Conservation of Mass

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2
Q

In a chemical substance, elements are always in a fixed proportion by Mass.

Exp. 17grams a Ammonia contains 14 grams Nitrogen & 3 grams Hydrogen
N : H —> 14 : 3

This law is call

A

Law of definite proportions

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3
Q

Equal volumes of all gases, at the same temperature and pressure, have the same number of molecules.

Which law is this

A

Avogadros law

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4
Q

The number of molecules in 1 mole is known as…

A

Avogadros number

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5
Q

The volume of a ballon increases when you blow it up.

The Volume of a tire gets smaller when you deflate it.

These are examples of which law

A

Avogadros law

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6
Q

The volume of gas at a constant temperature varies inversely with the pressure exerted on it.

Which law is this

A

Boyles law

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7
Q

According to Boyles law

If there is low pressure there is _____ volume

If there is high pressure there is _____ volume

A

High

Low

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8
Q

This law describes how gas volume expands as temperatures increase and volume decreases as temperatures decrease.

A

Charles law

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9
Q

What kind of relationship do temperature and volume have according to Charles law.

A

Direct

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10
Q

What kind of relationship do pressure and volume have according to Boyles law

A

Inverse

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11
Q

Substances that form ions in aqueous solutions are called…

A

Electrolytes

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12
Q

The term _____ is used interchangeably with the term hydrogen ion

A

Proton

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13
Q

How readily a base removes a hydrogen ion is called

A

Deprotonate

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14
Q

Equal volumes of gases under identical temperature and pressure will contain equal number of particles

A

Avogadros law

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15
Q

At a constant temperature, the volume of a confined gas is inversely proportional to the pressure to which the gas is subjected

A

Boyles law

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16
Q

At a constant pressure, the volume of a confined gas is directly proportional to the absolute temperature in Kelvin

A

Charles law

17
Q

Energy can neither be created nor destroyed.

Is this law

A

Conservation of Energy