If the cylinder is full of air at 71 ∘C∘C and 0.980 atmatm , how many moles of O2O2 are present? (The mole fraction of O2O2 in dry air is 0.2095.)

Asyringe contains 56.05 ml of gas at 315.1 k. what volume will that gas occupy if the temperature is increased to 380.5 k? a) 12.41 b) 46.42 c) 67.68 d) 81.74

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?