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ENTROPY MCQs

Total Questions : 5
Question 1. Is cellular respiration an Endothermic or an Exothermic reaction? [Hint: body is warm]
  1.    Endothermic
  2.    Exothermic
 Discuss Question
Answer: Option B. -> Exothermic
Question 2. Which state of matter has the greatest motion and least orderly arrangement?
  1.    solid
  2.    liquid
  3.    gas
  4.    aqueous
 Discuss Question
Answer: Option C. -> gas
Question 3. Which phase of matter has the greatest motion and least orderly arrangement?
  1.    solid
  2.    liquid
  3.    gas
  4.    All of above
 Discuss Question
Answer: Option C. -> gas
Question 4. The entropy will usually increase when
  1.    a molecule is broken into two or more smaller molecules
  2.    a reaction occurs that results in an increase in the number of moles of gas
  3.    a solid changes to a liquid
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Question 5. Which of these processes represents a decrease in entropy?
  1.    sublimation of CO2
  2.    boiling water
  3.    condensation of steam on cold glass
  4.    NaCl dissolving in water
 Discuss Question
Answer: Option C. -> condensation of steam on cold glass

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