The pressure of a 1000. mL sample of gas at 27 degrees * C Increases from 700. mmHg to 1400. mm Hg. If the volume is unchanged , what the new temperature ? A. 18*C B. 137*C C.600*C D. 327*C

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.