Which quantity of o2 contains exactly 3.01 x 10^23 atoms? and you! not looking for answers, i am really stuck on this one

What are the resulting coefficients when you balance the chemical equation for the combustion of ethane, c2h6? in this reaction, ethane is burned in the presence of oxygen (o2) to form carbon dioxide (co2) and water (h2o). (g)+(g)→(g)+(g)

Stage in which a typical star has completely stopped fusion

Draw the structure for 5-isopropyl-2-methyl-3-nonene