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sergij07 [2.7K]
2 years ago
5

The O2 molecule breaks apart at lower wavelengths than the O3 molecule. What is the main reason for this?

Chemistry
1 answer:
kozerog [31]2 years ago
8 0

The main reason for this is Average bond of O₂ is shorter and strong from O₃.

<h3>What is ozone?</h3>

Ozone is a blue gas composed of three oxygen atoms bonded together.

It occurs naturally high up in the Earth's atmosphere, where it protects the surface from harmful ultraviolet (UV) rays,

UV radiation will dissociate ozone into an oxygen atom and an oxygen molecule.

Ozone molecules are tetrahedral so the bond angle is  109 degree the electrons in the double bond occupy more space that the non-bonding electron pair.

Oxygen has a small size that leads to smaller O-O bond length.

A lone pair of electrons on both the oxygen repel each other leading to weakening of O-O bond.

O3 has longer and weaker bonds than O2, whereas SO2 has shorter and stronger bonds than SO.

Molecular oxygen, O2, is photolyzed by light of 241 nm and has a bond energy of 498 kJ/mol.

The main reason for this is Average bond of O₂ is shorter and strong from O₃.

Learn more about ozone, Here:

brainly.com/question/27911475

#SPJ4

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Debora [2.8K]
28g’s of KCI will be dissolved
7 0
3 years ago
What is the name of this hydrocarbon?
jenyasd209 [6]

Answer:

2-methylebutane

Explanation:

it is a hydrocarbon and there is a specific Rule for its nomenclature.

that is known as IUPAC naming system. According to it

  • The compound that has all single bonds name ends on ane.
  • Names according to the number of Carbons,

                * For one carbon compound it is known as methane,

                * For 2 ethane,

                * For 3 propane

                * For 4 Butane and so on.

  • select the longest chain of compound
  • Start numbering with lowest substituted position at carbon
  • branch compound name as Iso and neo as whole

So keeping in mind the compound can be named as

2-methylebutane

  • As the longest chain contain four carbon atoms so it will name as butane
  • The substitution of methyl group is on C-2

*Note: it can also named as isopantane as it is branched and have five carbons but it could not be 3-isopentane.

5 0
3 years ago
Read 2 more answers
You have 0.5 L of air at a pressure of 203 kPa and -70 degrees C in a rigid, sealed container. What is the absolute temperature
horrorfan [7]
2) 273k is your answer. You're welcome.
7 0
3 years ago
Will a precipitate form (yes or no) when 50.0 ml of 1.2 × 10–3 m pb(no3)2 are added to 50.0 ml of 2.0 × 10–4 m na2s? if so, iden
frez [133]

Answer:

Yes, a precipitate of PbS forms

Explanation:

The equation of the reaction is given as:

                   Pb(NO₃)₂ + Na₂S → PbS + 2NaNO₃

The lead sulfide forms a precipitate in the aqeous solution.

Precipitation is a form of reaction in which ions combines to form a solid precipiate. Most double displacement reactions in which ionic compounds are the reactants results in formation of a precipitate as the product.

There are rules of solubility which guides a reaction that would lead to the formation of a precipitate. The mos applicable of the rules to the reaction stated above is that "carbonates, phosphates, sulfides, oxides and hydroxides are insolube". The sulfide of lead formed in the product is therefore insoluble.

8 0
3 years ago
For water ∆H°vap = 40.7 kJ/mol at 100.°C, its boiling point. Calculate ∆S° for the vaporization of 1.00 mol water at 100.°C and
damaskus [11]

Answer : The value of change in entropy for vaporization of water is 1.09\times 10^2J/mol

Explanation :

Formula used :

\Delta S^o=\frac{\Delta H^o_{vap}}{T_b}

where,

\Delta S^o = change in entropy  of vaporization = ?

\Delta H^o_{vap} = change in enthalpy of vaporization = 40.7 kJ/mol

T_b = boiling point temperature of water = 100^oC=273+100=373K

Now put all the given values in the above formula, we get:

\Delta S^o=\frac{\Delta H^o_{vap}}{T_b}

\Delta S^o=\frac{40.7kJ/mol}{373K}

\Delta S^o=1.09\times 10^2J/mol

Therefore, the value of change in entropy for vaporization of water is 1.09\times 10^2J/mol

5 0
3 years ago
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