Әр бөліктің жасуша үшін маңызы мен қызметін көрсетіп жаз​

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.