Atank contains n2 at 1.0 atm and o2 at 2.0 atm. helium is added to this tank until the total pressure is 6.0 atm. what is the partial pressure of the helium?

Which compounds have the empirical formula ch2o? a.c2h4o2 b.c3h6o3 c.ch2o2 d.c5h10o5 e.c6h12o6

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?