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Topic: Removing the Radiator Cap from a Car  (Read 4189 times)

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crazybouttennis

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Removing the Radiator Cap from a Car
« on: March 31, 2006, 07:19:20 PM »
What happens when the cap is removed from the radiator of a car at high altitude after the car has been driven for hours? Why?

I'm not sure if I'm right, but I think the coolant in the radiator would spray out because the pressure inside the radiator would high because of the heat of the engine and the atmospheric pressure would be low because of the elevation.  Therefore, the coolant could get pushed out by the gas particles inside the radiator because of the greater pressure inside the radiator.  I have to explain this using the kinetic molecular theory.  Am I right? ???

Offline Borek

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Re:Removing the Radiator Cap from a Car
« Reply #1 on: April 01, 2006, 03:30:49 AM »
Think - how boiling point depends on pressure?
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crazybouttennis

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Re:Removing the Radiator Cap from a Car
« Reply #2 on: April 02, 2006, 03:50:39 PM »
so, if the pressure is low due to the elevation, then the boiling point is lowered as well...so, the coolant would boil?  is that it?
« Last Edit: April 02, 2006, 03:51:24 PM by crazybouttennis »

Offline Borek

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Re:Removing the Radiator Cap from a Car
« Reply #3 on: April 02, 2006, 03:59:37 PM »
Yes.
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crazybouttennis

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Re:Removing the Radiator Cap from a Car
« Reply #4 on: April 02, 2006, 04:37:51 PM »
 ;D Thanks!!!

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