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Gemiola [76]
3 years ago
6

Which is a substance that is made up of only one type of atom? compound element solution mixture

Chemistry
2 answers:
Andreyy893 years ago
7 0

The substance that is made up of only one type of atom is an ELEMENT.

Further Explanation

Matter can be classified into two major groups: pure substances and mixtures.

Pure substances are substances that have a uniform and definite composition. If one were to take a sample of any pure substance, the particles that make up the substance will all be the same and will have similar properties.

Mixtures are made up of two or more substances that are placed in a similar “container”. Their composition is not uniform so a sample of a mixture may have variable amounts of its components. The substances are only physically combined so they keep their original properties and they may be separated by simple means.  

Mixtures may be homogeneous or heterogeneous.

  • Homogeneous mixtures or solutions are mixtures wherein the components are evenly mixed and distributed so that it appears that they all exist in one phase. The individual components cannot be distinguished. Example, a mixture of salt and water is homogeneous because upon looking at it, it seems like salt and water exist in the liquid state because the salt particles are so small and evenly dispersed in the water that it is invisible.
  • Heterogeneous mixtures are mixtures wherein the components are distinguishable. An example of a heterogeneous mixture is sand and water. It is very clear to see the sand particles and the liquid water.  

Elements and compounds are examples of pure substances.

  • All atoms of the same element have the same number of protons. Elements cannot be broken down further into simpler substances by simple means.
  • Compounds are chemical combinations of two or more elements. Their properties are different from the properties of the elements that make up the compound. Compounds have a definite composition and cannot be broken down into their component elements by ordinary means.

Learn More

  1. colloids brainly.com/question/4397362
  2. concentration of solutions brainly.com/question/12936072
  3. periodic table brainly.com/question/1446926

Keywords: elements, compounds, mixtures, solution

sineoko [7]3 years ago
5 0
Element is a pure substance that is <span>made up of only one type of atom.

An element cannot be broken down by any chemical means. However, nuclear reactions can lead to the generation of new elements.
Examples of elements include: copper, neon and iron.
Currently, there are 115 known elements in nature.</span>
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What makes calcium and nitrogen different list two differences
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8 0
3 years ago
Given that you have 14.5 moles of n2, how many moles of h2 are theoretically needed to produce 30.0 moles of nh3 according to re
erastovalidia [21]

45 moles of H₂ are theoretically needed to produce 30.0 moles of NH₃

<h3>Further explanation</h3>

Stoichiometry in Chemistry learn about chemicals mainly emphasizes quantitative, such as the calculation of volume, mass, number, which is related to numbers, molecules, elements, etc.

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.

In the reaction there are also manifestations of reagent substances namely gas (g), liquid (liquid / l), solid (solid / s) and solution (aqueous / aq).

The concentration of a substance can be expressed in several quantities such as moles, percent (%) weight/volume,), molarity, molality, parts per million (ppm) or mole fraction. The concentration shows the amount of solute in a unit of the amount of solvent.

  • Mole

The mole itself is the number of particles contained in a substance amounting to 6.02.10²³

Mole can also be sought if the amount of substance mass and its molar mass is known

\large{\boxed{\boxed{\bold{mol=\frac{mass}{molar\:mass}}}}

 

Reaction that happens :

N₂ +3H₂ ⇒ 2NH₃

mole N₂ : H₂ : NH₃ = 1 : 3 : 2

To produce 30.0 moles of NH₃,

  • H₂ needed :

mole~H_2~=~\frac{3}{2}\times~30~mole

mole H₂ = 45 mole

  • N₂ needed :

mole~N_2~=~\frac{1}{2}~\times~30

mole N₂ = 15 mole

So the minimum N₂ needed is: 15 mole

14.5 moles of N₂ can only produce NH₃ :

mole~NH_3~=~\frac{2}{1}~\times~14.5

mole NH₃ = 29 mole

<h3>Learn more </h3>

The mass of one mole of raindrops

brainly.com/question/5233234

moles of NaOH

brainly.com/question/4283309

moles of water you can produce

brainly.com/question/1405182

 

Keywords: mole,  NH₃, N₂, H₂

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3 years ago
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