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.
Major features of the Solar System (not to scale)
Water-bottle
Neuro System
Four methods of recording electrical activity of the nervous system.
The Climate System
The digestive system