if 5.2 l of antifreeze solution (specific gravity = 0.80) is added to 3.7 l of water to make a 8.9 l mixture, what is the specific gravity of the mixture?

In which chemical equation, which symbol should be used to indicate that substance is in solution?

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 percentage of hydrogen in c2h4