2 kJ of energy is applied to a sample of water causing the
temperature to be raised from
3°C to 212°C. What is the mass
of this sample if the specific
heat of water is 4.18 J/gºC?

Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.