Find the ph of the solution prepared by adding 45 ml of 0.10 m noh 500 ml of 0.10 m hc, h,oxap k - 18x10 for hc, h,os: 25 c. ú¯ûø§ ú©û ø§ù ø¹ùùø§ hghâoâ + oh - câ hâo2

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

Draw metallic bonding if two copper

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.