A piece of metal at 80C is placed in 1.2 L of water at 72C. The system is thermally isolated and reaches a final temperature of 75C. Estimate the approximate change in entropy for this process.
What will be an ideal response?
Question 2
When a dielectric material is introduced between the plates of a parallel plate capacitor the capacitance increases by a factor of 4. What is the dielectric constant of the material introduced between the plates?
A) 0.4
B) 1/4
C) 2
D) 4
E) None of the other choices is correct.
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