Acetylsalicylic  acid,  also  known as  aspirin,  is  an  acetyl  derivate  of salicylic acid,  which is a  weak white  and crystalline  acidic  substance, that has a  melting point of  135-137oC.

Definition: The molar heat of neutralizing represents the quantity of heat given up when a mole of a hydronium ion interacts with a mole of hydroxyl ion in a diluted solution.

Lesson Objectives
1. To be able to write the name of the ionic compound the formula of which is given.
2. To be able to write formula of the ionic compound the name of which is given.
3. To be able to write the name of the covalent compound the formula of which is given.
4. To be able to write the formula of the covanlent compound the name of which is given.
5. To use ICT as a successful tool when learning.

Lesson Objectives :
1)To Explain the mole concept with the particle concept and the number of Avogadro
2)To use ICT as a succesful tool when learning.
Method : Question – Answer Method,grup discussion, teaching method

AIMS:
To revise and extend students’ knowledge of butyric carbohydrates
To systemize students’ knowledge of butyric carbohydrates
To put into practice the acquired knowledge of the structure, isomerism and chemical properties of the butyric carbohydrates
To illustrate the connection between the carbohydrates by means of chemical reactions
To develop students’ thinking and imagination by means of different logical operations- synthesis, analysis, comparison, analogy

1. What is the chemical bond?
2. What is the function of the chemical bond?
3. What types of chemical bonds do you know?