Photoionization processes (e. g., N2 + hν → N2+ + e–) remove UV light with λ <150 nm. Which photoreaction is the principal absorber of UV light in the 150-200 nm range in the upper atmosphere? N2 + hν → 2N O3 + hν → O2 + O O2 + hν → 2O NO + O2 + hν → NO3 N2 + O2 + hν → 2NO

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

What is the molar mass of potassium nitrate, kno3