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Marizza181 [45]
2 years ago
8

The igneous rock texture that is characterized by two distinctly different crystal sizes is called ____.

Chemistry
2 answers:
Brrunno [24]2 years ago
7 0
<span>The igneous rock texture that is characterized by two distinctly different crystal sizes is called </span>Porphyritic texture. Glassy have no crystals, fine grained have many small holes, while coarse-grained can be identified with the naked eye.
DochEvi [55]2 years ago
7 0

The igneous rocks that are characterized by two distinctly different crystal sizes are known as \boxed{{\text{Porphyritic textures}}} .

Further explanation:

The crystal size or texture of igneous rocks is as follows:

1. Glassy texture: Glassy textures are the result of rapid cooling in volcanic rocks. There are very few mineral grains, but the rock mainly consists of volcanic glass or obsidian.

2. Aphanitic textures: Aphanitic textures are formed when volcanic rock cooled rapidly but allowed to form some crystal. These crystals are very small and cannot be able to see with naked eyes. The surface of these rocks is smooth but dull.

3. Fine-Grained textures: Fine-Grained textures are formed when the rock is crystallized but the individual crystals or grains are very small.

4. Porphyritic textures: These textures are the most common one in the volcanic rocks. These porphyritic textures consist of larger grains also called phenocrysts which are embedded in a fine-grained groundmass. Phenocrysts are crystallized when magma was still deep underground and then surrounded by the groundmass.

5. Pyroclastic textures: These textures result from the fusion of solid volcanic ejecta that has been welded into solid  

6. Coarse-Grained textures: These textures are from slow cooling, and they are mostly larger crystals.

Therefore, the igneous rocks that are characterized by two distinctly different crystal sizes are known as porphyritic textures.

Learn more:

1. Determine the reason that causes water molecule a bent shape.: <u>brainly.com/question/1979769 </u>

2.Determine how many moles of water produce: <u>brainly.com/question/1405182 </u>

Answer details:

Grade: Senior school

Subject: Chemistry

Chapter: Solid state

Keywords: igneous rock, crystal sizes, textures, glassy texture, aphanitic textures, fine-grained textures, porphyritic textures, pyroclastic textures, and coarse-grained textures.

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(i) Make ammonia number of atoms on reactant side is 8 and on product side is 8. (ii) Separate water number of atoms on reactant side is 6 and on product side is 6. (iii) Combust methane number of atoms on reactant side is 9 and number of atoms on product side is 9.  

<h3>What is Balanced Chemical Equation ?</h3>

The balanced chemical equation is the equation in which the number of atoms on the reactant side is equal to the number of atoms on the product side in an equation.

(i) Make Ammonia

First we have to write the balanced chemical equation

             N₂ + 3H₂ → 2NH₃

Reactant side              Product side

N = 2                             N = 2

H = 6                             H = 6

So total number of atoms on product and reactant side is 8.

(ii) Separate Water

First we have to write the balanced chemical equation

            2H₂O → 2H₂ + O₂

Reactant side              Product side

H = 4                             H = 4

O = 2                             O = 2

So total number of atoms on product and reactant side is 6.

(iii) Combust methane

First we have to write the balanced chemical equation

       CH₄ + 2O₂ → 2H₂O + CO₂

Reactant side              Product side

C = 1                             C = 1

H = 4                            H = 4

O = 4                            O = 4

So total number of atoms on product and reactant side is 9.

Thus from the above conclusion we can say that For each balanced reaction, the total number of atoms are

Reaction                            Total number of atoms

                                     Reactant side           Product side

Make Ammonia                   8                               8

Separate Water                   6                               6

Combust Methane              9                               9

Learn more about the Balanced Chemical Equation here: brainly.com/question/26694427

#SPJ1

Disclaimer: The question was given incomplete on the portal. Here is the complete question.

Question: For each balanced reaction, indicate the total number of atoms in the table below.

Reaction                            Total number of atoms

                                     Reactant side           Product side

Make Ammonia            _________              __________

Separate Water            _________              __________

Combust Methane       _________              __________

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