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3 years ago

Which of the following elements can form diatomic molecules held together by triple covalent bonds?

Chemistry

2 answers:

Art [367]3 years ago

6 0

Nitrogen can form a diatomic molecule held together by triple bonds.

ELEN [110]3 years ago

3 0

Answer;

Nitrogen

Explanation;

-Nitrogen is the element that may form diatomic molecules held together by triple covalent bonds.

-Nitrogen is an element that occurs as a diatomic molecule in its gaseous state. This element only exists in the diatomic form with triple bonds between the two atoms. Due to is small size and being non polar, it lacks inter-molecular forces and thus it is gaseous in nature.

-Other elements that are diatomic in their gaseous states includes; hydrogen, oxygen, chlorine, bromine, iodine and fluorine.

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Deuterium (D or 2H) is an isotope of hydrogen. The molecule D2 undergoes an exchange reaction with ordinary hydrogen, H2, that l

Paladinen [302]

Answer:

$Kp_2} =2.0$

Explanation:

$K_{p1}= 1.8$

$K_{p2}= ???$

$T_1= 298K$

$T_2 = 415 K$

$\delta H$ = 0.64 kJ/mol = 640 J/mol

R = 8.314 J/mol.K

Using Van't Hoff Equation:

$In (\frac{Kp_2}{Kp_1} )=(-\frac{DH}{R} *(\frac{1}{T_2}-\frac{1}{T_1} )$

$In (\frac{Kp_2}{1.8} )=(-\frac{640}{8.314} *(\frac{1}{415}-\frac{1}{298} )$

$In (\frac{Kp_2}{1.8} )=0.072827$

$(\frac{Kp_2}{1.8} )= e^{0.0728727}$

$\frac{Kp_2}{1.8} =1.075593605$

$Kp_2} =1.075593605*1.8$

$Kp_2} =1.936068489$

$Kp_2} =2.0$

3 0

4 years ago

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Microscopic shells that are buried under the seabed are converted to organic sedimentary rocks. During this process, which prope

ahrayia [7]

Mass of the shells will remain constant.

Explanation:

Sedimentary rocks are formed by the rocks that have been weathered. The microscopic shells, small pieces of rocks and mineral particles get deposited on this weathered sedimentary rocks.

The texture or chemical properties of the microscopic shell get changed. but the amount of microscopic shell deposited to make sedimentary rocks remains the same.

Chalk and coral reefs are the example of sedimentary rocks made up with microscopic shells.

The skeletal part of the shells takes part in rock formation whose mass remains unchanged although physical and chemical properties go changes.

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4 years ago

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Where in the mitochondria does the electron transport chain occur

wolverine [178]

I think it’s the inner membrane

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3 years ago

3.) 2.46 grams of Cu(NO3)2 would contain how many formula units?

RUDIKE [14]

Answer:

7.90×10²¹ formula units

Explanation:

From the question given above, the following data were obtained:

Mass of Cu(NO₃)₂ = 2.46 g

Formula units of Cu(NO₃)₂ =?

From Avogadro's hypothesis,

1 mole of Cu(NO₃)₂ = 6.02×10²³ formula units

Next, we shall determine the mass of 1 mole of Cu(NO₃)₂. This can be obtained as follow:

1 mole of Cu(NO₃)₂ = 63.5 + 2[14 + (3×16)]

= 63.5 + 2[14 + 48]

= 63.5 + 2[62]

= 63.5 + 124

= 187.5 g

Thus,

187.5 g of Cu(NO₃)₂ = 6.02×10²³ formula units

Finally, we shall determine the formula units contained in 2.46 g of Cu(NO₃)₂. This can be obtained as follow:

187.5 g of Cu(NO₃)₂ = 6.02×10²³ formula units.

Therefore,

2.46 g of Cu(NO₃)₂ =

(2.46 × 6.02×10²³)/187.5

= 7.90×10²¹ formula units

Thus, 2.46 g of Cu(NO₃)₂ contains 7.90×10²¹ formula units

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3 years ago

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BigorU [14]

I believe the answer is radiosonde

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3 years ago

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