What is always true of a weak base? A. It contains hydroxide ions.
B. It does not dissolve or dissociate in water.
C. It has been diluted with water.
D. Some of the original base remains 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.

Asolid that forms and separates from a liquid mixture is called

How does a noncompetitive inhibitor reduce an enzyme’s activity?