At a temperature of 274 K, the gas in a cylinder has a volume of 4.0 liters. If the volume of the gas is decreased to
2.0 liters, what must the temperature be for the gas pressure
to remain constant?
a. 137 K b. 273 K
c. 378 K d. 556 K

Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.