What is the temperature of 1.2 moles of Helium gas at 1950 mm Hg if it occupies 15,500
ml of volume?

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Identify the electromagnets with poles that are reversed from the electromagnet shown above