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Studentka2010 [4]
3 years ago
11

What is the value of n in CH3(CH2)nCH3 if the make of the hydrocarbon is heptane?​

Chemistry
1 answer:
Agata [3.3K]3 years ago
4 0

Answer:

n = 5

Explanation:

methane => 1 Carbon => CH₃

ethane => 2 Carbons => C₂H₆

propane => 3 Carbons => C₃H₈

butane => 4 Carbons  => C₄H₁₀

pentane => 5 Carbons => C₅H₁₂

hexane => 6 Carbons => C₆H₁₄

heptane => 7 Carbons => C₇H₁₆ => CH₃(CH₂)₅CH₃

Octante => 8 Carbons => C₈H₁₈

Nonane => 9 Carbons => C₉H₂₀

Decane => 10 Carbons => C₁₀H₂₂

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The equilibrium constant for the gas phase reaction
vampirchik [111]

only reactants are present

If equllibrium constant is greater than 10^3 then product predominates

If equllibrium constant is greater than 10^ -3  then reactant predominates

in between 10^3 and 10^-3 the reaction is in equllibrium

and we see that the above value is 10^-31, it is  very  small so the answer is reactants are presents




8 0
3 years ago
Plzzzzzz help me Write electronic configuratof sodium and chlorine in the term of subshell ?
nalin [4]

Ok Thank u for the information

5 0
3 years ago
Read 2 more answers
Consider these compounds:
Afina-wow [57]

Answer:

Without doing any calculations it is possible to determine that silver chromate is more soluble than <u>C,D ,</u> and silver chromate is less soluble than <u>none</u> .

It is not possible to determine whether silver chromate is more or less soluble than <u>A,B</u> by simply comparing Kspvalues

Explanation:

For this kind of question you need to obtain the balanced equation for the solubility, first, you will write the dissociation equation for every molecule, obtaining the ions in which it dissociates. Then you substitute in the Kps equation

A_{n}B_{m} -> nA^{m+}+mB^{n-} \\K_{s}=[A^{m}]^{n}[B^{n}]^{m}

Considering the corresponding stoichiometry you'll substitute in your dissociation equations as follow.

Ag_{2}CrO_{4}(s)->2Ag^{+}(aq)+CrO_{4} ^{2-}\\        s  ->2s+s\\s->[2s]^{2}[s]=4s^{3}  \\\\A)  PbF_{2}(s)->Pb^{2+} (aq)+2F^{-}\\s->s+2s\\s->[s][2s]^{2}=4s^{3}\\\\\\B)Ag_{2}SO_{3}(s)->2Ag^{+}(aq)+SO_{3} ^{2-}\\        s  ->2s+s\\s->[2s]^{2}[s]=4s^{3}  \\\\\\C)NiCO_{3}(s)->Ni^{2+}(aq)+CO_{3} ^{2-}\\        s  ->s+s\\s->[s][s]=s^{2}  \\\\\\D)AgCl(s)->Ag^{+}(aq)+Cl^{-}(aq)\\        s  ->s+s\\s->[s][s]=s^{2}  \\

IIn this case, the silver chromate has a Kps of 4sx^{3}, same as the compound in options A and B, comparing these numbers you can't determine which one is bigger. Finally, options C and D have a kps of s^{2}, this value is smaller than silver chromate's kps.

I hope you find this information useful! good luck!

7 0
3 years ago
A carbon nanoparticle (very small particle) contains 8000 carbon atoms. According to the Einstein model of a solid, how many osc
Rudiy27

Answer:

24000

Explanation:

Given that:

The numbers of carbon atoms = 8000

According to the Einstein model of solid;

Einstein’s model assumes that each atom of the solid vibrates around its position of equilibrium independently of the other atoms (which amounts to neglecting the interactions between particles.

Number of oscillators = 3(8000)

Number of oscillators = 24000

5 0
3 years ago
The modern model of the atom shows that electrons are:
Lina20 [59]
Electrons are orbiting the nucleus in the fxed way paths located in solid sphere
4 0
3 years ago
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