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mojhsa [17]
3 years ago
14

What are the properties of gases?

Chemistry
2 answers:
Ket [755]3 years ago
7 0
A gas has no definite shape or volume and it will fill its container , its particles are the farthest away from each other compared to solids and liquid. Gases are generally easily compressed and they form homogeneous mixtures with each other.
dmitriy555 [2]3 years ago
3 0
Gas particles<span> spread out to </span>fill<span> a container evenly, unlike solids and liquids. Gas is a state of matter that has no fixed </span>shape<span> and no fixed </span>volume<span>. Gases have lower </span>density<span> than other states of matter, such as solids and liquids.</span>
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Which describes why Mendeleev succeeded where others failed?
wolverine [178]

Answer:

  • <em>He realized that some elements had not been discovered.</em>

Explanation:

Some scientists that tried to arrange the list of elements known before Mendeleev include Antoine Lavoisier, Johann Döbereiner, Alexandre Béguyer de Chancourtois, John Newlands, and Julius Lothar Meyer.

<em>Dimitri Mendeleev</em> was so succesful that he is recognized as the most important in such work.

Mendeleev by writing the properties of the elements on cards elaborated by him, and "playing" trying to order them, realized that, some properties regularly (periodically) repeated.

The elements were sorted in increasing atomic weight (which is not the actual order in the periodic table), but when an element did not meet the pattern discovered, he moved it to a position were its properties fitted.

The amazing creativity of Mendeleev led him to leave blanks for what he thought were places that should be occupied by elements yet undiscovered. More amazing is that he was able to predict the properties of some of those elements.

When years after some of the elements were discovered, the genius of Mendeleev was proven because the "new" elements had the properties predicted by him.

7 0
3 years ago
Write equations for the initiation and propagation steps for the formation of dichloromethane by free radical
olya-2409 [2.1K]
 <span>Name of type of mechanism </span>initiation step<span> first </span>propagation step<span> second </span>propagation step<span>(ii) </span>write<span> an overall </span>equation<span> for the </span>formation of dichloromethane<span> from ... Best Answer: i) This is a </span>free-radical<span> substitution mechanism.</span>
7 0
3 years ago
Sum of brother and sisters age is 26. Four times the brothers age is subtracted from three times the sisters age, the difference
lana66690 [7]

Answer : The ages of the brother and sister are, 10 and 16 years respectively.

Solution :

Let the age of brother be 'x' and the age of sister be 'y'

There are two equations formed which are,

x + y = 26      ..........(1)

3y - 4x = 8     ..........(2)

First we have to multiple equation (1) by 4 and then added equation (1) and (2), we get the value of 'y'.

4x+4y+3y-4x=8+26\\\\7y=112\\\\y=16

Now put the value of 'y' in equation (2), we get the value of 'x'

3(16) - 4x = 8

4x = 40

x = 10

The age of brother = x = 10 years

The age of sister = y = 16 years

Therefore, the ages of the brother and sister are, 10 and 16 years respectively.

3 0
3 years ago
1. organisms of different species that share similar characteristics most likely have..
SSSSS [86.1K]

Answer:

1. Parents from both species.

2. Because of natural selection.

Explanation:

6 0
3 years ago
During the distillation nitrogen gas is obtained first, then argon and oxygen. What can u say about the boiling points of these
svetlana [45]

Explanation:

The boiling point of liquid nitrogen, liquid argon, and liquid oxygen are -196°C, -186°C, and -183°C respectively. So, the correct order is nitrogen, argon, oxygen.

6 0
2 years ago
Read 2 more answers
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