Problem: A 1-kg cylinder of aluminum and 1-kg jug of water, both at room temperature, are put into a refrigerator. After one hour, the temperature of each object is measured. One of the objects is much cooler than the other. Which one?

FREE Expert Solution

Higher specific heat capacity → needs to lose more heat in order to cool 

  • cAl = 0.903 J/(g•oC)
  • cwater = 4.18 J/(g•oC)  
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Problem Details

A 1-kg cylinder of aluminum and 1-kg jug of water, both at room temperature, are put into a refrigerator. After one hour, the temperature of each object is measured. One of the objects is much cooler than the other. Which one?

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What scientific concept do you need to know in order to solve this problem?

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