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4 years ago

Definition of analytical chemistry

2 answers:

7 0

the subdivision of chemistry dealing with the qualitative and quantitative determination of chemical components of substances.

Otrada [13]4 years ago

5 0

Analytical chemistry studies and uses instruments and methods used to separate, identify, and quantify matter

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Explain the three states of matter on the basis of characteristics of particles/ molecules of matter.

Xelga [282]

Answer :

Explanation For The Three States OF Matter On the Basis OF Characteristics Of Particles / Molecules OF Matter.

<h3>Solid: </h3>

In solids the molecules are closely packed . There is a strong force of attraction between the molecules and the space between them is very small (almost negligible). The molecules are , therefore, not free to move . They merely vibrate their mean positions . This makes solids hard and difficult to compress , giving them a fixed shape and size.

<h3>Liquid : </h3>

In the case of liquids , the molecules are not closely packed. They do not attract each other as strongly as the molecules of solids. Thus, the intermolecular spaces are larger and the molecules are able to move about more freely . This makes liquid flow and take the shape of the container into which it is poured. Thus, liquids have a fixed volume but no definite shape of their own .

In the case of gases, the molecules hardly attract each other. They lie far a part from each other and the intermolecular spaces are, therefore, very large. . The intermolecular force of attraction is so weak that the molecules have great freedom of movement . As a result , gases have neither a fixed shapenor a fixed volume . They completely full up spacw available to them. They can be easily compressed as well, thus decreasing the gaps between their molecules .

Explanation :

<h3>Hope it works out !</h3>

7 0

3 years ago

List down the periodic table

egoroff_w [7]

Answer:

Explanation:

open picture

8 0

3 years ago

How does the sun impact the speed of the water cycle?

IceJOKER [234]

the sun makes it evaporate quicker if it is there for longer

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3 years ago

Given 1kg=2.20 lbs, how many kilograms are in 125 lbs? (Metric conversion)

Nadya [2.5K]

Answer:

56.82 Kg

Explanation:

Given data:

1 Kg = 2.20 lbs

Number of kilogram in 125 lbs = ?

Solution:

lbs is used for pound. lb is abbreviation of libra. It is Latin word meaning balance.

Both kilogram and pounds are units of mass. Pound is smaller unit than kilogram.

one Kg = 2.20 lbs

Number of kg in 125 lbs:

125 lbs × 1 Kg/2.20 lbs

125 lbs.Kg/2.20 lbs

56.82 Kg

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4 years ago

In order for a gas to condense to a liquid, the attraction between its molecules _____.

yaroslaw [1]

Answer:

._______.

Explanation:

8 0

3 years ago

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