Please Help! Liquid octane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water. If 22.6g of carbon dioxide is produced from the reaction of 48g of octane and 75.6g of oxygen gas, calculate the percent yield of carbon dioxide.

An aqueous solution of hydroiodic acid is standardized by titration with a 0.186 m solution of calcium hydroxide. if 26.5 ml of base are required to neutralize 20.3 ml of the acid, what is the molarity of the hydroiodic acid solution? m hydroiodic acid

Newtons second law deals most cosely with

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?