How many moles of gas are in a container that has a volume of 0.0154 L, at a pressure of 0.0177 atm and a temperature of 924 K? Use (R = 0.08206 L atm/mol K) Report your answer to 3 significant digits in scientific notation

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.