At what volume of added acid is the ph calculated by working an equilibrium problem based on the initial concentration and kb of the weak base? express the volume in milliliters as an integer.

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 must occur for air masses to form fronts

The three types is stress that act on earths rocks are compression, tension, and