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Lapatulllka [165]
3 years ago
15

Describe the characteristics that identify a sample of matter as a substance.

Chemistry
2 answers:
madreJ [45]3 years ago
7 0

Answer:

1.Extensive property

2.Intensive property

Explanation:

Matter: It can be anything which occupy space  and has mass.

Example:Wood , stone etc.

Substance:It is a matter .If matter has specific composition and chemical properties .Then , the matter is called substance.

For example: elements such as mercury, sodium etc.

All substance can be matter but all  matter can not be substance.

Substance can be identified by two physical properties:

1.Extensive property

2.Intensive property

1.Extensive property: That property which depend on the amount of substance such as mass, length , volume etc.

Intensive property: That property which does not depend on the amount of substance such as density, boiling point, melting point etc.

By observing these properties we can identify a sample of matter as  substance.

tankabanditka [31]3 years ago
4 0

Answer:

matter is anything that has mass and takes up space so it could be heavy light small or big

Explanation:

whatever describes mass and space

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Weight of one mole of carbon = 12.01 g Weight of one mole of oxygen = 16.00 g The molecular weight (gram formula weight) for CO
murzikaleks [220]

Answer:

28.01g

Explanation:

Given the weight of one mole of Cabon as 12.01g and that of oxygen as 16.00g.

The molecular weight of a compound can be gotten by adding the molar weights of the elements that constitutes the compound .

The molecular weight of the compound CO is therefore

equal to the sum of the weight of both elements.

That’s = 12.01g + 16.00g

= 28.01g

Therefore, the molecular weight of CO is 28.01g

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3 years ago
The last electron in an atom of oxygen is added to a ___ orbital.
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A

Explanation:

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Whats 2736 +832091 +09281
astra-53 [7]

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At what temperature scale Fahrenheit shows double than Kelvin scale​
sergij07 [2.7K]

Answer:

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Explanation:

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