What is the molarity of a solution containing 5 moles of NaCl dissolved in 10 liters of water? .5 mol/L
2 mol/L
.2mol/L
.5mol/L

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

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.

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear