If a piece of iron and a cup of water at the same temperature are ...

[fbq8i]

If a piece of iron and a cup of water at the same temperature are heated so the internal energy of each doubles
 
  A) the water will have the higher temperature.
  B) the iron will have the higher temperature.
  C) both will have the same temperature.
  D) need more information

Question 2

When a system does work without adding heat, the temperature of the system
 
  A) increases.
  B) decreases.
  C) remains unchanged.
  D) none of the above

[quynhmickitran]

Answer to Question 1

Answer: B

Answer to Question 2

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