9 It is sometimes very difficult to detect the smell of a small amount of ester, especially if the
smell of the carboxylic acid is stronger than that of the ester.
2.9.1 Suggest a solution to increase your chances of smelling the ester.
(2)​

conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object. collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object. the objects must be in physical contact.