18. How many grams of carbon dioxide (CO2) is produced from 4 mol of C, H,? A. 92.02 g CO2
B. 184,04 g CO2
C. 224.48 g CO2
D. 352.08 g CO2

What is the polyatamic ion of borate

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

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.