Given the balanced equation representing a reaction: 2h2 o2 = 2h2o, what is the total mass of water formed when 8 grams of hydrogen reacts completely with 64 grams of oxygen?

An aqueous solution of potassium hydroxide is standardized by titration with a 0.194 m solution of hydrobromic acid. if 25.2 ml of base are required to neutralize 24.2 ml of the acid, what is the molarity of the potassium hydroxide solution? m potassium hydroxide

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

How hot is the suns corona? (integrated science)