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11 Nov 2019
Question 7. The highly branched compound 2,2,4-trimethylpentane (called isooctane in the petroleum industry) burns very smoothly (without knocking) in internal combustion engines and is used as one of the standards by which the octane rating of gasolines is established. According to this scale 2,2,4-trimethylpentane has an octane rating of 100. Heptane, which is a compound that produces much knocking when it is burned in an internal combustion engine, is given an octane rating of 0. Mixtures of 2,2,4-trimethylpentane and heptane are used as standards for octane ratings between 0 and 100. A gasoline, for example, that has the same characteristics in an engine, as a mixture of 87% 2,2,4-trimethylpentane and 13% heptane would be rated as 87- octane gasoline Draw the structural formula of 2,2,4-trimethylpentane, identify the type of atomic orbital overlap that occurs in between each atom, identify the type and calculate the number of molecular bonds present. While you are at it, calculate the boiling point of heptane
Question 7. The highly branched compound 2,2,4-trimethylpentane (called isooctane in the petroleum industry) burns very smoothly (without knocking) in internal combustion engines and is used as one of the standards by which the octane rating of gasolines is established. According to this scale 2,2,4-trimethylpentane has an octane rating of 100. Heptane, which is a compound that produces much knocking when it is burned in an internal combustion engine, is given an octane rating of 0. Mixtures of 2,2,4-trimethylpentane and heptane are used as standards for octane ratings between 0 and 100. A gasoline, for example, that has the same characteristics in an engine, as a mixture of 87% 2,2,4-trimethylpentane and 13% heptane would be rated as 87- octane gasoline Draw the structural formula of 2,2,4-trimethylpentane, identify the type of atomic orbital overlap that occurs in between each atom, identify the type and calculate the number of molecular bonds present. While you are at it, calculate the boiling point of heptane
Deanna HettingerLv2
22 Jan 2019