(tco 2) an atom has 6 protons, 8 neutrons, and 6 electrons. its atomic mass is

Both 1,2−dihydronaphthalene and 1,4−dihydronaphthalene may be selectively hydrogenated to 1,2,3,4−tetrahydronaphthalene. one of these isomers has a heat of hydrogenation of 101 kj/mol (24.1 kcal/mol), and the heat of hydrogenation of the other is 113 kj/mol (27.1 kcal/mol). match the heat of hydrogenation with the appropriate dihydronaphthalene.

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5