Please help !! Please solve for c
90 grams of hematite react with the monoxide that is produced from the reduction with 4.48 l CO2 . a) reaction of carbon monoxide b) reaction of hematite production c) find purity of 90 g hematite

When you see distant streetlights through smog, they look dimmer and redder than they do normally. but when you see the same streetlights through fog or falling snow, they look dimmer but not redder. use your knowledge of the interstellar medium to discuss the relative sizes of the particles in smog, fog, and snowstorms compared to the wavelength of light.