Microwave ovens heat food by the energy given off by microwaves. These microwaves have a...

Microwave ovens heat food by the energy given off by microwaves. These microwaves have a wavelength of

(a) How much energy in kilojoules per mole is given off by a microwave oven?

(b) Compare the energy obtained in (a) with that given off by the ultraviolet rays of the Sun that you absorb when you try to get a tan.