What is the speed of an electromagnetic wave with a frequency of 1.33 x 10^17 Hz and a wavelength of 2.25 nm?

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

37.0 °c = °f (human body normal temperature)

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6