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bulgar [2K]
3 years ago
15

Can some one help me with this soon as possible please will give brainliest

Chemistry
1 answer:
lana66690 [7]3 years ago
7 0

1. C

2. C

3. In elastic deformation, the deformed body returns to its original shape and size after the stresses are gone. In ductile deformation, there is a permanent change in the shape and size but no fracturing occurs. In brittle deformation, the body fractures after the strength is above the limit. 

4. Normal faults are faults where the hanging wall moves in a downward force based on the footwall; they are formed from tensional stresses and the stretching of the crust. Reverse faults are the opposite and the hanging wall moves in an upward force based on the footwall; they are formed by compressional stresses and the contraction of the crust.  Thrust faults are low-angle reverse faults where the hanging wall moves in an upward force based on the footwall; they are formed in the same way as reverse faults. Last, Strike-slip faults are faults where the movement is parallel to the crust of the fault; they are caused by an immense shear stress. 


I hope this helped :D

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How many moles of H2O are needed to react with a mole of 3.0 of Na?​
AveGali [126]

Answer: 3.0 moles of water (H_2O)  are needed to react with a mole of 3.0 of Na

Explanation:

The balanced chemical reaction of sodium with water is as follows:

2Na+2H_2O\rightarrow 2NaOH+H_2

According to stoichiometry:

2 moles of sodium (Na) reacts with = 2 moles of water (H_2O)

Thus 3.0 moles of sodium (Na) reacts with = \frac{2}{2}\times 3.0=3.0 moles of water (H_2O)

3.0 moles of water (H_2O)  are needed to react with a mole of 3.0 of Na

5 0
3 years ago
Hello there!
Alenkasestr [34]

Answer:

Mass of carbon dioxide = 7.48 g

Explanation:

Given data:

Mass of lithium carbonate = 12.5 g

Mass of carbon dioxide produced = ?

Solution:

Chemical equation:

Li₂CO₃  →  Li₂O + CO₂

Number of moles of Li₂CO₃:

Number of moles = mass/ molar mass

Number of moles = 12.5 g /73.89 g/mol

Number of moles = 0.17 mol

Now we will compare the moles of Li₂CO₃  with CO₂.

                   Li₂CO₃        :            CO₂

                     1                :               1

                  0.17             :             0.17

Mass of carbon dioxide:

Mass of carbon dioxide = number of moles × molar mass

Mass of carbon dioxide =   0.17 mol ×  44 g/mol

Mass of carbon dioxide = 7.48 g

4 0
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Bond [772]

Hi there,

I hope you and your family are staying safe and healthy!

The correct answer is C

Each shell can contain only a fixed number of electrons. The first energy shell around a nucleus can hold up to 2 electrons. Then the second shell can hold up to 8 eletrcons.

Please leave 5 stars and a like if you find this answer helpful!

Best,

~Gary

4 0
2 years ago
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s344n2d4d5 [400]

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Know more about Pyridoxal pyrophosphate at:

brainly.com/question/14117818

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