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MCAT Chemistry Question — Temperature

  • by John
  • Nov 24, 2014
  • MCAT Blog, MCAT Chemistry, MCAT Question of the Day

Which of the following processes occur at the same temperature?

 

I. Boiling

II. Condensation

III. Sublimation

IV. Evaporation

 

A) I and IV only

B) I and II only

C) II and III only

D) I, II, and IV only

 

Explanation

 

Boiling, condensation, and evaporation all refer to the phase change between gas and liquid. As such, they all occur at the same temperature for a given substance. Thus (D) is the correct answer.

 

III: Sublimation refers to the phase change between solid and gas.

 

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