What element behaves most like magnesium
between si, s, sr, sn

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

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.

What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?