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Ber [7]
3 years ago
10

Why is it important to know what substances you have available to work with, and how they might change, when developing special

effects?
Chemistry
1 answer:
777dan777 [17]3 years ago
4 0

Answer:

sorry if wrong

Explanation:

Develop methods that will enable synthesis of all important molecules in reasonable yields using compact synthetic schemes, so that no useful compound is inaccessible to practical synthesis.

Develop novel transformations that perform with the selectivities typical of enzymatic reactions, so that geometric factors are more important than the intrinsic reactivity of a molecule.

Use computer methods to design important target molecules and design efficient ways to make them.

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In addition to ammonia, nitrogen forms three other hydrides: hydrazine (N₂H₄), diazene (N₂H₂), and tetrazene (N _4 H _4 ).
Elina [12.6K]

(a) Here, we are going to compare the the strength, length, and order of nitrogen-nitrogen bonds in hydrazine, diazene, and N₂.

Total valence electrons in N₂H₄ = 2 × 5 + 4×1 = 4e⁻

Thus, single N-N bond is present in hydrazine (N₂H₄) molecule. Therefore, the bond order is =1

Total valence electrons in N₂H₄ = 2× 5 + 2 ×1 = 12e⁻

Thus,  one  N=N bond is present in diazene  (N₂H₂) molecule. Therefore, the bond order is =2

Total valence electrons in N₂  = 2 × 5 = 10e⁻

Thus,  one  N-N triple bond is present in nitrogen  (N₂) molecule. Therefore, the bond order is =3.

Therefore, the order of bond order is given below:

N₂ (Bond order =3) > diazene  (N₂H₂, bond order =2) > hydrazine (N₂H₄, bond order=1)

We know that, with the increasing bond order, the strength of the bond  increases.

Therefore, the order of the strength of the bond is given below:

N₂ (Bond order =3) > diazene  (N₂H₂, bond order =2) > hydrazine (N₂H₄, bond order=1)

What is Lewis structure explain with example?

A Lewis structure is based on the concept of the octet rule, in which atoms share electrons so that each atom has eight electrons in its outer shell. As an example, an oxygen atom has six electrons in its outer shell.

What is the Lewis structure rule?

The Lewis structure indicates that each Cl atom has three pairs of electrons that are not used in bonding (called lone pairs) and one shared pair of electrons (written between the atoms)

Learn more about Lewis structure :

brainly.com/question/1525249

#SPJ4

7 0
2 years ago
When naming compounds part of the second element's name is dropped and what is added in its place?
FromTheMoon [43]

Answer:

ide is the correct answer

Explanation:

example compound of sodium and hydrogen in sodium hydroxide

and compound of hydrogen and chlorine is hydrogen chloride

3 0
3 years ago
8. The standard enthalpy of formation of RbF(s) is –557.7kJ/mol and the standard enthalpy of formation of RbF(aq, 1 m) is –583.8
garri49 [273]

Explanation:

Given

The enthalpy of formation of RbF (s) is –557.7kJ/mol

The standard enthalpy of formation of RbF (aq, 1 m) is –583.8 kJ/mol

The enthalpy of solution of RbF = Enthalpy of RbF (aq) - Enthalpy of formation of RbF (s)

= -583.8 - (-557.7)  kJ/mol

= -26.1 kJ/mol

The enthalpy is negative which means that the temperature will rise when RbF is dissolved.

3 0
3 years ago
Which of the following is the same as 1 second?
Soloha48 [4]
It’s 5 When u do 1k which is 1000 it’s equal to 0.1 then = 100 which then u do 95 coz that’s a lucky number and u get 5
8 0
3 years ago
Which is not a physical property of water? weak adhesion with glass strong cohesion strong surface tension ability to move up th
olga2289 [7]
Ability to move up through thin tunes because a physical property is something you can observe about the matter. Out of all of them this one does not fit.
4 0
3 years ago
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