How many moles are present in 2.45×10²³ molecules of CH4 ? Show your work!!!

Which type of reaction always has an element and a compound as reactants

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8

What is the lowest number energy level where a d sublevel is found