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Volumetric expansion Kelvin required?

  • Thread starter litzkrieg
  • Start date
  • #1
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Volumetric expansion Kelvin required???

Homework Statement



Suppose that the steel gas tank in your car is completely filled when the temperature is 11.5 °C. How many gallons will spill out of the 20.9- gallon tank when the temperature rises to 37.6 °C?

Homework Equations



βgasoline = 950 x10-6
ΔV = β(V0)ΔT

The Attempt at a Solution



ok so this rele seemed like a plug and jug question to me and i just cant figure out where i went wrong. This is what I did, my only questions are where did i go wrong or maybe are the temperatures supposed to be in Kelvins or would Celsius work to?

(950*10^-6)*(20.9)*(26.1)
why isnt this right?

Thanks yall
 

Answers and Replies

  • #2
gneill
Mentor
20,792
2,770


Since the size of a degree K and a degree C are the same, ΔT will be the same regardless of scale used.

Did you figure in the change in volume of the steel tank? Both are going to change (by different amounts) when the temperature changed.
 

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