The bigger molecule has more interactions and hence the higher b.p. CH3CH2OCH2CH3 is a bigger molecule than CH4 and CH3CH3, so has more dispersion forces. It also has dipole-dipole forces due to the polarised C-O bonds. CH3OH and CH3CH2OH have hydrogen bonds due to the very electronegative O atom bonded to the H atom
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the answer is c because it is the 3rd step in the scientific analysis steps
Vapor lock
If your engine begins to lose power, run rough, stall, or refuse to start when traveling at high altitudes, your vehicle may be suffering from Vapor lock.
<h3>How is vapor lock fixed?</h3>
- By first pressing the accelerator pedal slightly (but not all the way to the floor) while starting the engine, you can aid in the removal of any vapor that may have remained in the fuel system after it has cooled.
- Hold down the accelerator pedal once the engine fires up until the car moves smoothly, which shows the vapor lock has passed.
<h3>What brings about a vapor lock?</h3>
- When fuel boils in the carburetor or fuel line, vapor lock results.
- Fuel that has vaporized stops gas from reaching your engine by creating back pressure in your fuel system.
- It frequently happens after idling or after turning off and back on a vehicle.
<h3>What is the duration of vapor lock?</h3>
- The heat builds up toward the gasoline lines as you shut down.
- Fuel in the lines could begin to evaporate in the absence of airflow through the cowling.
- Vapor lock typically occurs when you try to restart your aircraft after a sharp turn (shut down and restart after about 30 minutes).
To learn more about vapor lock visit:
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Answer: An object is accelerating if it is changing its velocity.