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lesya [120]
2 years ago
7

In addition to those in Table 14.3, other less stable nitrogen oxides exist. Draw a Lewis structure for each of the following:(c

) N₂O₃ with no N¬N bond
Chemistry
1 answer:
Natalka [10]2 years ago
5 0

Lewis structure for each of the following N₂O₃ with no N¬N bond is attached below.

Even though pi symmetry occupies the antibonding orbitals of NO, this is unimportant after the dimer forms. A sigma connection exists. The enthalpy of the newly formed sigma bond in the dimer is low because the loss of a particularly distinctive set of single-electron resonance forms that were available for no monomer offset the net gain in bond. When the whole free energy is taken into account, there is no gain because the entropic effects are on the order of 1030kJ/mol, and dimerization is entropically disfavored at G=17kJ/mol. Therefore, any little increase in enthalpy is cancelled out by the loss of entropy.

Learn more about dimer here-

brainly.com/question/17152685

#SPJ4

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Seawater is an example of a _______ solution
My name is Ann [436]

Answer:

C. Solid in liquid

Explanation:

Seawater is an example of a solid in liquid solution.

Sea water is made up of:

  • water
  • mineral salts
  • dissolved gases

A liquid solution is always made up of a solute being dispersed within the solvent medium.

The solvent is the liquid or fluid medium.

Such solutions are homogeneous because the solute particles are distributed evenly or uniformly in the solvent.

The solute is usually present in smaller amount compared to the solvent.

3 0
3 years ago
Which of the following are not molecules?<br> A. MgCl₂<br> B. C₃H₈<br> C. Al<br> D. NaCl<br> E. Ag
xxMikexx [17]

Answer:

C.Al & E. Ag

Explanation:

These two are elements. Meaning tget are substances that cannot be broken down because they are pure. The others are considered molecules due to their ability to be broken down.

5 0
3 years ago
Please help, chemistry is kicking me!
Natali [406]

Answer:

Sorry I would bu that looks so hard

Explanation:

5 0
3 years ago
Calculate the number-average molecular weight of a random nitrile rubber [poly(acrylonitrile-butadiene) copolymer] in which the
SCORPION-xisa [38]

Answer:

106,504 g/mol

Explanation:

The two repeat units at the polymer are the acrylonitrile and the butadiene. If the fraction of repeat of butadiene is 0.27, the fraction of repeat of units of acrylonitrile must be 0.73.

The acrylonitrile repeat unit has 3 carbons atoms, 1 nitrogen atom, and 3 hydrogen atoms. So, the molecular weigth for it is:

mac = 3*mC + 1*mN + 3*mH

mC = 12 g/mol; mN = 14 g/mol; mH = 1g/mol

mac = 3*12 + 14 + 3*1 = 53 g/mol

The butadiene repeat unit has 4 carbons atoms and 6 hydrogen atoms. Thus, the molecular weight is:

mbu = 4*12 + 6*1 = 54 g/mol

The average repeat unit molecular weight is the fractions multiplied by the molecular weight of the repeat unities:

m = 0.73*53 + 0.27*54 = 53.27 g/mol

The number-average molecular weight is the average repeat unit molecular weight  multiplied by the degree of polymerization:

M = 53.27*2000

M = 106,504 g/mol

7 0
3 years ago
about 70 million tons of paper are used in the UnitedStates. If the U.S. population is about 301.6 million people, how many kilo
tensa zangetsu [6.8K]

Answer : The amount of paper used by average United States citizen are, 210.47 kilograms.

Explanation : Given,

Total mass of paper used in the United States = 70 million tons

Total number of people in the United States = 301.6 million

First we have to calculate the amount of paper used by average United States citizen.

\text{Amount of paper used}=\frac{\text{Total mass of paper used}}{\text{Total number of people}}

\text{Amount of paper used}=\frac{70\text{ million tons}}{301.6\text{million}}

\text{Amount of paper used}=0.232\text{ tons}

Now we have to convert amount of paper from tons to kilogram.

Conversion used :

1 ton = 907.185 kg

As, 1 ton = 907.185 kg

So, 0.232 ton = \frac{0.232ton}{1ton}\times 907.185kg=210.47kg

Therefore, the amount of paper used by average United States citizen are, 210.47 kilograms.

4 0
3 years ago
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