Stretch a rubber band while holding it gently to your lips. Then slowly let it relax
Chapter 22, Problem 22.177(choose chapter or problem)
Stretch a rubber band while holding it gently to your lips. Then slowly let it relax while still in contact with your lips. a. What happens to the temperature of the rubber band on stretching? b. Is the stretching an exothermic or endothermic process? c. Explain the above result in terms of intermolecular forces. d. What is the sign of DS and DG for stretching the rubber band?e. Give the molecular explanation for the sign of DS for stretching.
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