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Mekhanik [1.2K]
2 years ago
10

217 mL of neon gas at 551 celsius is brought to standard temperature (0 celsius) while the pressure is held constant. What is th

e new volume?
Chemistry
1 answer:
pantera1 [17]2 years ago
7 0

Answer: The new volume is 72 ml

Explanation:

To calculate the final volume of the system, we use the equation given by Charles' Law. This law states that volume of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

\frac{V_1}{T_1}=\frac{V_2}{T_2}

where,

V_1\text{ and }T_1 are the initial volume and temperature of the gas.

V_2\text{ and }T_2 are the final volume and temperature of the gas.

We are given:

V_1=217ml\\T_1=551^oC=(551+273)K=824K\\V_2=?\\T_2=0^0C=(0+273)K=273K

Putting values in above equation, we get:

\frac{217ml}{824K}=\frac{V_2}{273K}\\\\V_2=72ml

Thus the new volume is 72 ml

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Sveta_85 [38]

Types of Bonds can be predicted by calculating the difference in electronegativity.

If, Electronegativity difference is,

 

                Less than 0.4 then it is Non Polar Covalent Bond

                

                Between 0.4 and 1.7 then it is Polar Covalent Bond

            

                Greater than 1.7 then it is Ionic

 

For N and Se,

                    E.N of Nitrogen         =   3.04

                    E.N of Selenium        =   2.55

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As you have not provided remaining pairs, so if you have any of them, follow the method as mentioned above.

3 0
3 years ago
Gallium is a metallic element in Group III. It has similar properties to aluminium.
Liula [17]

Answer:

Gallium has Orthorhombic and forms ionic bonds with metals

Explanation:

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Ar 3d10 4s2 4p1

It is found in the 3A group of periodic table and it mostly forms ionic bonds with metal.  

3 0
3 years ago
Why is sodium chloride not considered a molecular compound? What kind of compound is it?
e-lub [12.9K]

Answer:

Something like table salt (NaCl) is a compound because it is made from more than one kind of element (sodium and chlorine), but it is not a molecule because the bond that holds NaCl together is an ionic bond. If you like, you can say that sodium chloride is an ionic compound.

Explanation:

5 0
2 years ago
Water can be a solid
Degger [83]

Explanation:

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3 0
3 years ago
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3 sig figs= 27.6

4 0
2 years ago
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