How may moles of Al2O3 would be produced from the complete reaction of 17 moles of Al in the
reaction below?
Fe2O3 + 2A1
2Fe + Al2O3
A. 8.5 Moles of A1203
B. 17 Moles of Al2O3
C. 34 Moles of Al2O3
D. 4.25 Moles of Al2O3

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.