Calculate the freezing point of a solution made from 52.6 g of propane, c3h8, dissolved in 196.0 g of benzene, c6h6. the freezing point of benzene is 5.50 c and its kf is 5.12 c/m.

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 human activity increases beach erosion?

If two objects at different te,peraure are in contact with each other what happens to their temperature