Acid rain due to air pollution when water reacts with sulfur dioxide, nitric oxide, and carbon dioxide, causes PLZZ HELP NOW!!

Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm