1.Na + Cl2 —> NaCl A reaction used 12.0 moles of NaCl. Predict how many moles of O₂ will react.

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 are correct values for the ideal gas laws constant r

This statement about matter and its behavior is best classified as a