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QveST [7]
2 years ago
10

¿ a que se encuentra 20 moles de un gas ? ¿ si estan sometidos a 36°C en un recipiente de 20 litros?​

Chemistry
1 answer:
eimsori [14]2 years ago
8 0

Answer:

can be you nice people my friend bother my sister community of college students who have had some experience in this industry and maddie intro and maddie highlights

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Identify the type of reaction: A + B-----> AB
olga55 [171]

Answer:

Synthesis reaction:

Explanation:

Synthesis reaction:

It is the reaction in which two or more simple substance react to give one or more complex product.

A + B      →     AB

All other options are incorrect because,

Single replacement:

It is the reaction in which one elements replace the other element in compound.

AB + C → AC + B

Decomposition reaction:

It is the reaction in which one reactant is break down into two or more product.

AB → A + B

Combustion reaction:

In combustion reaction substances are react with oxygen and produces carbon dioxide and water.

8 0
2 years ago
How have safety concerns about chemicals changed over time?
Alex787 [66]

Answer:

C. As scientists have learned more about chemicals, they have  become more aware of their dangers

Explanation:

Chemicals are substances with standard compositions, held together by chemical bonds. Chemicals can exist in different phases such as solid, liquid, and gaseous phases. Over time, with a growing understanding of chemicals, their composition, and their reaction methods, scientists now have a better knowledge of the dangers chemicals can pose. To that effect, they have created standard safety measures for those who have to work with these chemicals.

When these guidelines are strictly adhered to, the chances of suffering accidents, burns, and explosions with these chemicals are significantly reduced.

8 0
3 years ago
Metals have high melting and boiling points and are often shiny and silvery. Which of the blocks are metals?
DanielleElmas [232]

Answer:

S and p blocks elements are considered metals while d-block elements are considered transition metals.    

Explanation:

s-block consist of lithium, sodium, potassium, rubidium, cesium and francium metals.

All are these called alkali metals.

These metals have one valance electron.

These metals are soft and having low density.

They easily lose their one valance electron and form cation with +1 charge.

They have low melting points.

P- block elements includes beryllium, magnesium, calcium, strontium, barium, radium metals.

They are called alkaline earth metals.

All are these have two valance electrons.

They easily lose their valance electrons and form cation with charge of +2.

These metals are also very soft.

They form salt with halogens.

They are also very reactive metals.

8 0
3 years ago
Which is greater , 3 moles of sulfur or 2 moles of iron sulphide
QveST [7]

Answer:

well since 3 is greater than 2 it would be 3 moles of sulfur.

Explanation:

7 0
2 years ago
Read 2 more answers
Why the is ratio of magnesium ions to chloride ions in MgCl2 is 1:2?
Monica [59]
You should read up on Proust's law, better known as the Law of Definite Proportions. This is a chemical law that defines your question more generally, on why the ratio of elements and ions are always fixed.

Basically, this compound Magnesium(II) Chloride is MgCl2 because it has the same number of protons, neutrons, and electrons all the way. This defines the properties of the compound or atom. 
5 0
3 years ago
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