Convert into mole. (a) 12 g of oxygen gas
(b)
20 g of water
(c) 22.g of carbon dioxide.
Answer plzz​

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

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)

Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground