How many moles of gas are needed to create a system in which a 4.1 L container has a pressure of 19.88 atm at 300 degrees Celsius?

Element before carbon on the periodic table

Ill give u brainliest pls how is mass of carbon conserved during cellular respiration

Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.