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what is the condensed structural formula for octane

by Liam Hyatt Published 3 years ago Updated 3 years ago

Octane is a hydrocarbon and an alkane with the chemical formula C8H18
C8H18
2,2,4-Trimethylpentane, also known as isooctane or iso-octane, is an organic compound with the formula (CH3)3CCH2CH(CH3)2. It is one of several isomers of octane (C8H18). This particular isomer is the standard 100 point on the octane rating scale (the zero point is n-heptane).
https://www.ebi.ac.uk › chebi › searchId

CHEBI:62805 - isooctane - EMBL-EBI

, and the condensed structural formula CH3(CH2)6CH3.Apr 19, 2018

What would be the empirical formula of octane?

Octane

  • 1 Structures
  • 2 Names and Identifiers. Computed by LexiChem 2.6.6 (PubChem release 2019.06.18) Computed by InChI 1.0.5 (PubChem release 2019.06.18)
  • 3 Chemical and Physical Properties. ...
  • 4 Spectral Information. ...
  • 6 Chemical Vendors
  • 7 Drug and Medication Information
  • 8 Pharmacology and Biochemistry. ...
  • 9 Use and Manufacturing. ...
  • 10 Identification. ...
  • 11 Safety and Hazards. ...

More items...

What is the equation for the complete combustion of octane?

What Is the Chemical Reaction Equation for the Combustion of Octane? By Staff Writer Last Updated March 25, 2020 The chemical reaction equation for the combustion of octane (C8H18), which is one of the primary components of gasoline, is 2C8H18 + 25O2 —> 16CO2 + 18H2O.

How do you balance the combustion of octane?

What is the best combustion analyzer?

  • Testo Commercial Combustion Analyzer Kit Review.
  • Residential Combustion Analyzer by Forensics Review.
  • Testo Residential Combustion Analyzer Kit Review.
  • Bacharach Fyrite Insight Combustion Analyzer Review.
  • Fieldpiece Combustion Check New Review.

What is the chemical formula for Octane?

What Is Octane? Octane is a hydrocarbon derived from processing petroleum. Its chemical formula is C8H18. What Is an Octane Rating?

See more

What is the geometry of octane?

TetrahedralProperties of OctaneName of MoleculeOctaneMolecular GeometryTetrahedralHybridizationsp3Molecular FormulaC 8H 18Molecular Weight114.23 g/mol3 more rows•Aug 10, 2021

What are the structural isomers of octane?

Of the 18 structural isomers of octane, five (2,2,3,3-tetramethylbutane, 2,2,3-trimethylpen- tane, 2,3-dimethylhexane, 3-ethyl-3-methylpentane, and 3,3- dimethylhexane) were sufficient to cover all possible cases of C-C bond substitution (see Introduction).

What is the condensed structural formula for nonane?

NoteNameMolecular Formula (C nH 2 n + 2)Condensed Structural FormulaheptaneC 7H 16CH 3CH 2CH 2CH 2CH 2CH 2CH 3octaneC 8H 18CH 3CH 2CH 2CH 2CH 2CH 2CH 2CH 3nonaneC 9H 20CH 3CH 2CH 2CH 2CH 2CH 2CH 2CH 2CH 3decaneC 10H 22CH 3CH 2CH 2CH 2CH 2CH 2CH 2CH 2CH 2CH 36 more rows•Apr 18, 2022

What is the molecular formula for octane if cnh2n?

Octane belongs to the class of organic compounds known as alkanes. These are acyclic branched or unbranched hydrocarbons having the general formula CnH2n+2, and therefore consisting entirely of hydrogen atoms and saturated carbon atoms....3D Structure for HMDB0001485 (Octane)ValueSourceOktanChEBI3 more rows

What is octane formula?

C₈H₁₈Octane / Formula

How do you calculate isomers of octane?

1:065:20Basic Concepts (14 of 97) Isomers of Octane (18) Simple ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipGroup in each case. Going on to the next set of isomers. Notice now we have 1 2 3 4 5 6 7 all ofMoreGroup in each case. Going on to the next set of isomers. Notice now we have 1 2 3 4 5 6 7 all of them which have a chain of 6 carbons therefore they end up in hexane in each case.

How do you write nonane formula?

C₉H₂₀Nonane / Formula

What is the condensed formula of decene?

C10H201-Decene | C10H20 - PubChem.

What is the condensed structural formula of ethanol?

Condensed Structural Formula for Ethanol: CH3CH2OH (Molecular Formula for Ethanol C2H6O).

What is condensed formula in chemistry?

The condensed formula of a molecule is the formula where the symbols of atoms are listed in order as they appear in the molecule's structure with bond dashes omitted or limited. While vertical bonds are always omitted, sometimes horizontal bonds are included to indicate polyatomic groups.

How do you write a condensed formula in organic chemistry?

0:318:2410.1 Writing Condensed Formula for Organic Compounds [SL ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo just write what you see there's a ch3 ch2 ch2 ch3 but you know what this is condensed we canMoreSo just write what you see there's a ch3 ch2 ch2 ch3 but you know what this is condensed we can actually put this and this together. So I've got 2 CH 2s.

What type of formula is CnH2n?

alkenesThe general formula for the alkenes is CnH2n. Cycloalkanes are a family of compounds where the carbon atoms are joined in a circle.

How many isomers does C8H18?

18 isomersC8H18 is Octane. Octane has a total 18 isomers.

How many structural isomers does butene have?

butene, also called Butylene, any of four isomeric compounds belonging to the series of olefinic hydrocarbons. The chemical formula is C4H8. The isomeric forms are 1-butene, cis-2-butene, trans-2-butene, and isobutylene. All four butenes are gases at room temperature and pressure.

How many structural isomers are possible for pentane?

three structural isomersPentane (C5H12) is an organic compound with five carbon atoms. Pentane has three structural isomers that are n-pentane, Iso-pentane (methyl butane) and neopentane (dimethylpropane).

How do you find the number of isomers?

- The number of optical isomers of a compound is determined by calculating the number of chiral centres in it. - The maximum number of optical isomers is given by the formula 2n−1, where n is the number of chiral centres. So, the correct answer is option B.

What is the chemical formula for octane?

Octane is a hydrocarbon and an alkane with the chemical formula C 8 H 18, and the condensed structural formula CH 3 (CH 2) 6 CH 3. Octane has many structural isomers that differ by the amount and location of branching in the carbon chain. One of these isomers, 2,2,4-trimethylpentane (commonly called iso-octane) is used as one ...

What does "octane" mean in gasoline?

Use of the term in gasoline. "Octane" is colloquially used as a short form of " octane rating ," particularly in the expression "high octane". "Octane rating" is an index of a fuel's ability to resist engine knock at high compression, which is a characteristic of octane's branched-chain isomers, especially iso-octane.

What is the RON rating of n-octane?

For example, n -octane (the straight chain of 8 carbon atoms with no branching) has a -20 (negative) Research Octane Rating, whereas pure 2,2,4-trimethylpentane has an RON rating of 100. Some fuels have an octane rating higher than 100, notably those containing methanol or ethanol.

When did octane become popular?

Octane became well known in American popular culture in the mid- and late 1960s, when gasoline companies boasted of "high octane" levels in their gasoline advertisements. The compound adjective "high-octane", meaning powerful or dynamic, is recorded in a figurative sense from 1944.

Is octane a volatile hydrocarbon?

Octane is a component of gasoline (petrol). As with all low-molecular-weight hydrocarbons, octane is volatile and very flammable.

image

Overview

Octane is a hydrocarbon and an alkane with the chemical formula C8H18, and the condensed structural formula CH3(CH2)6CH3. Octane has many structural isomers that differ by the amount and location of branching in the carbon chain. One of these isomers, 2,2,4-trimethylpentane (commonly called iso-octane) is used as one of the standard values in the octane rating scale.

Use of the term in gasoline

"Octane" is colloquially used as a short form of "octane rating," particularly in the expression "high octane". "Octane rating" is an index of a fuel's ability to resist engine knock (pre ignition) in engines having different compression ratios, which is a characteristic of octane's branched-chain isomers, especially iso-octane. The octane rating of gasoline is not directly related to the power output of an engine. Using gasoline of a higher octane than an engine is designed for cannot increase po…

Metaphorical use

Octane became well known in American popular culture in the mid- and late 1960s, when gasoline companies boasted of "high octane" levels in their gasoline advertisements.
The compound adjective "high-octane", meaning powerful or dynamic, is recorded in a figurative sense from 1944. By the mid-1990s, the phrase was commonly being used as an intensifier and it has found a place in modern English vernacular.

Isomers

Octane has 18 structural isomers (24 including stereoisomers):
• Octane (n-octane)
• 2-Methylheptane
• 3-Methylheptane (2 enantiomers)
• 4-Methylheptane

External links

• International Chemical Safety Card 0933
• NIOSH Pocket Guide to Chemical Hazards. "#0470". National Institute for Occupational Safety and Health (NIOSH).
• Dr. Duke's Phytochemical and Ethnobotanical Databases, Octane, [1]

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