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Cold or Warm Gasoline?

Science brain teasers require understanding of the physical or biological world and the laws that govern it.


Puzzle ID:#8916
Fun:*** (2.67)
Difficulty:** (1.43)
Submitted By:electronjohn*us****
Corrected By:cnmne




Fred has a choice of putting a gallon of cold gasoline (say 40 degrees F) or a gallon of warm gasoline (say 80 degrees F) into his car. Which choice will result in the greatest mileage?


What happens to most substances when they are heated?

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