At constant temperature and 112 kPa, a gas occupies 4.50L. At what pressure will the gas occupy 9.00 L? a
56..0 kpa
b
224 kPa
c
448 kPa
d
28 kPa

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.