Predict which one of the following compounds would be insoluble in water.

a. ch₄
b. na₂so₄
c. hcl
d. nacl

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 mass of 0.46 mol of mgcl2

What statement goes against the kinetic theory of gases