(?)Fe+(?)H20 - - -> (?)Fe3O4+(?)H2

Drug abuse will not lead to physical and psychological dependence. true or false ?

Which metals are called noble metals

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?