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Author Question: A 100-g cube of ice is heated from -120C to +120C. In which of the following processes is the ... (Read 38 times)

Evvie72

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on: Jul 28, 2018
A 100-g cube of ice is heated from -120C to +120C. In which of the following processes is the greatest amount of energy absorbed by this material?
 a. warming ice to the melting point
  b. melting the ice to become water
  c. warming the resulting water
  d. vaporizing the water to become steam
  e. heating the steam

Question 2

Water at room temperature, 20C, is pumped into a reactor core where it is converted to steam at 200C. How much heat (in J) is transferred to each kilogram of water in this process? (csteam = 2 010 J/kgC; Lsteam = 2.26  103 J/g; 1 cal = 4.186 J.)
 a. 3.35  105
  b. 7.53  105
  c. 2.67  106
  d. 2.80  106
  e. 3.01  106


patma1981

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

D


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