PLEASE ASAP concentrated sulphuric(VI) acid dissolves in water with the evolution of heat. when 2cm³ of concentrated sulphuric VI acid is dissolved in 98cm³ of water, a temperature rise of 4.5°C is recorded.​

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

What is the mass of each element in a 324.8 sample of co2

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.