Does anyone know a structure that is a saturated molecule with the same molecular formula as but-1-ene?

Type the letter that represents the correct location for each particle type below.

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.

How do you convert 4 mmol of bromobenzene to ml?