is isooctane the same as octane?
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2,2,4-trimethylpentane is the correct name for isooctane. Like octane, isooctane has eight carbon atoms and is also used as a fuel. ... A poor fuel has a zero octane number, whereas a good fuel has an octane number of 100.
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All gasoline has the same specifications, so all the gasoline leaving the refinery is the same. ... Top tier gasoline contains about twice as much additive as non top tier gasoline. Top tier gasoline additives are not the same, but the differences are very slight.
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Butane, or C4H10 , has two structural (also called constitutional) isomers called normal butane, or unbranched butane, and isobutane, or i-butane. According to IUPAC nomenclature, these isomers are called simply butane and 2-methylpropane.
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Isopentane contains one secondary carbon. Secondary Carbon: A secondary carbon is a carbon atom which is bound to two other carbon atoms.
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Most gas stations offer three octane levels: regular (about 87), mid-grade (about 89) and premium (91 to 93) but we've broken down the facts about each so you can make the right choice at the pump. Regular Unleaded Gas- Typically the cheapest per gallon, regular gas is the most commonly used octane.
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The main difference between regular and premium fuel grades is the octane number. Regular fuel has a lower octane number 87, while Premium generally gets a 91 octane rating or higher. “Octane number”, is a measure of the ignition quality of fuel. ... Premium Fuel is considerably pricer that your regular fuel.
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1 mole of octane produces 8 moles of carbon dioxide gas. 2.
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2. 4 moles of octane requires 50 moles of oxygen to burn. 2. 1 mole of octane produces 8 moles of carbon dioxide gas.
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Chemical energy: The molecules in gasoline (octane, the chemical formula shown) contain chemical energy. This energy is transformed into kinetic energy that allows a car to race on a racetrack.
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Isobutane shares the same molecular formula as normal butane (see below), but the shape of its molecule makes isobutane far superior in terms of vapor pressure. ... Isobutane is also a more expensive fuel to source and process than butane, so you'll usually find it in the higher-quality canisters.
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Isooctane. ... Isooctane is insoluble in water but soluble in ordinary organic solvents. It forms azeotropes (for example, with benzene, methanol, and ethanol).
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According to Dan McTeague, a noted petroleum analyst, Shell and Esso 91 are both ethanol free. ... Don't be misled into thinking higher octane gas contains less ethanol. In fact, it has more! The octane rating of pure ethanol is 100, but when it's blended with gasoline, it performs as if it's 112.
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There are numerous possible constitutional isomers of bromopentane. Specifically, the bromine atom can be attached to any of the carbon atoms (although there are only three unique possibilities because the 2 end carbons are identical).
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Gasoline labeled as “super plus” tends to be a higher octane gasoline, typically 91 or 93 octane. ... E5 or E10, Ethanol/gasoline blends tend to be the “regular” 85 or 87 octane. The E5 is indicative of a blend containing 5% Ethanol and 95% gasoline and the E10 contains 10% Ethanol blended with 90% gasoline.
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The difference between the 2 companies is in the detergents which are added to the fuel, consider the following: Chevron - Techron® cleaning agents are added to all flavors of unleaded gasoline (87-91 octane) Shell - V-Power® cleaning agents are added to the higher tiers of gasoline (89–91 octane)
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Naming Convention Isopropanol and isopropyl alcohol are different names for the same chemical compound. The confusion comes from mixing two standards for naming chemicals. ... The correct name under the IUPAC system is Propan-2-ol; however, isopropyl alcohol is the most commonly-used name for this chemical.
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​What's the difference between 91 and 95 octane fuel? Put simply, the only difference between these two fuels is their Research Octane Number, with the higher-octane 95 unleaded designed to be more fuel efficient and lead to a smoother engine operation.