Chemistry ch 4 key terms

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cdeelah
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102758
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Chemistry ch 4 key terms
Updated:
2011-09-19 09:47:31
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Key terms
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Chemistry, ch 4 key terms
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  1. Actual Yield
    The amount of product obtained in a chemical reaction.
  2. Alkanes
    Hydrocarbons in which the carbon atoms are all linked together by single bonds.
  3. Fuel additives
    Substances added to gasoline or other fules, typically intended to improve performance or reduce exhaust emissions.
  4. Hydrocarbons
    Molecules containing only carbon and hydrogen atoms.
  5. Indicator
    A dye added to a titration to show when a reaction is complete
  6. Isomers
    Compounds having the same molecular formula but in which the atoms are arranged differently
  7. Limiting reactants
    The reactant that is completely consumed in a reaction. The available amount of it determines the maximum possible reaction yeild.
  8. Methyl tertiary-butyl ether (MTBE)
    Compound with the formula C5H12O that has been used as an oxygenating additive in gasoline.
  9. Mole Ratio
    A stoichiometric ratio relating the number of moles of one reactant or product in a chemical reaction to the number of moles of some other reactant or product in the same reaction. Obtained from a balanced chemical equation.
  10. Oxygenated fuels
    Blends of gasoline or other fuels to which oxygen-containing additives such as methanol, ethanol, or MTBE have been added to reduce undesirable exhaust emissions.
  11. Percentage yeild
    The ratio of the acutal yeild to the theoretical yield in a particular chemical reaction, expressed as a percentage.
  12. Reformulated gasoline (RFG)
    Gasoline containing additives to provide at least 2% oxygen by weight.
  13. Side Reactions
    Any reactions that lead to products other than those desired in an industrial or laboratory synthesis.
  14. Stoichiometry
    The study of quantitative relationships between the amounts of reactants and products in a chemical reaction.
  15. Theoretical yield
    The hypothetical maximum amount of product that can be obtained in a chemical reaction under ideal conditions.
  16. Titration
    A process whereby a solution-phase reaction is carried out under controlled conditions using a known amount of one reactant so that the amount of the other reactant can be determined with high precision.

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