a freezer operates in a room at 25 c. Heat must be transfered from the cold space at a rate of 2kw to maintain its temperature at 30c. what is the theoritically smallest (power) motor required to operate the freezer?

Avoltaic cell converts chemical energy to

Which bonds are found inside a water molecule

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.