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Alkanes key terms

Study Alkanes with curriculum-aligned Key Terms resources, practice links, and exam-focused support.

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key terms

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Topic

Alkanes

AqaA LevelChemistryOrganic chemistry

Key terms

  • Boiling Point

    The temperature at which a liquid's vapor pressure equals the external pressure, causing it to change into vapor.

  • Fractional Distillation

    A process used to separate a mixture into its component parts or fractions based on differences in boiling points.

  • Fractional Distillation

    A process used to separate a mixture into its component parts based on differences in boiling points.

  • Cracking

    The process of breaking down large hydrocarbon molecules into smaller, more useful molecules, typically using heat and catalysts.

  • Cracking

    A process that breaks down large hydrocarbon molecules into smaller, more useful hydrocarbons, typically using heat and catalysts.

  • Fractional Distillation

    A separation technique used to separate a mixture of liquids into its individual components based on differences in boiling points.

  • Cracking

    A process used to break down large hydrocarbon molecules into smaller, more useful molecules, typically alkanes and alkenes.

  • Catalyst

    A substance that increases the rate of a chemical reaction without being consumed in the process.

  • Combustion

    A chemical reaction that occurs when a substance reacts rapidly with oxygen, producing heat and light.

  • Stoichiometry

    The calculation of reactants and products in chemical reactions based on balanced equations.

  • Combustion

    A chemical reaction that occurs when a substance reacts rapidly with oxygen, producing heat and light.

  • Pollutants

    Substances that cause harm to the environment or human health when released into the air, water, or soil.

  • Catalytic Converter

    A device used in vehicles to reduce harmful emissions by converting pollutants into less harmful substances.

  • Nitrogen Oxides (NOx)

    Gases produced from combustion processes that contribute to air pollution and smog formation.

  • Sorbent

    A material used to absorb or adsorb another substance, often used in the context of removing pollutants from gases.

  • Acid rain

    Precipitation that is significantly more acidic than natural, unpolluted rainwater, often caused by sulfur dioxide and nitrogen oxides in the atmosphere.

  • Free radical

    An atom or molecule that has unpaired electrons, making it highly reactive.

  • Chlorination

    A chemical reaction that introduces chlorine into a compound, often through free-radical substitution.

  • Substitution reaction

    A chemical reaction in which one functional group in a chemical compound is replaced by another functional group.

  • Free radical

    An atom or molecule that has an unpaired electron and is highly reactive.

  • Chlorination

    A chemical reaction in which chlorine atoms replace hydrogen atoms in an alkane.

  • Radical

    A highly reactive species with an unpaired electron.

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