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Yes, there are differences in the octane ratings of gasoline grades. Higher octane fuel is more resistant to pre-ignition, which may be necessary for high-performance engines or to prevent engine knocking. Lower octane fuels are typically sufficient for regular vehicles and can save costs if not required by the manufacturer.
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How does the rate of temperature change depend on the temperature difference between the two beakers?
The rate of temperature change typically depends on the temperature difference between the two beakers according to Newton's Law of Cooling. The greater the temperature difference, the faster the rate of temperature change between the two beakers.
Why is the burning gasoline in a car a chemical change?
Burning gasoline in a car is a chemical change because it involves a chemical reaction between the gasoline and oxygen in the air to produce carbon dioxide, water vapor, and energy. This reaction results in the formation of new substances with different chemical properties than the original gasoline.
What is the common name for octane?
The molecular formula of octane is C8H18. It doesn't really have a "symbol."The "octane" in gasoline is actually "iso-octane" or 2,2,4-trimethylpentane. It has the same molecular formula, but the atoms are arranged differently than in n-octane.
What is the difference between 2cl and 35 ml?
First, cl stands for centiliters and ml stands for milliliters. There are 100 centiliters in a liter and 1000 milliliters in a liter. Basically, this means that 2 cl is 0.02 liters and 35 ml is 0.035 liters. So, there really is only 0.015 difference between the two. Hope this helped.
Gasoline molar mass?
The molar mass of octane (C8H18), the primary component of gasoline, is approximately 114 g/mol. However, gasoline is a mixture of many hydrocarbons, some with as few as four carbons, while others have up to 12. According to US government agencies, such as DOE and EPA, on average, without adding any ethanol, the molar mass of gasoline is only 100 to 105 g/mol.
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