أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
the certain chemical reaction is identified by the presence of reactifs and the products in the same time
it s not total
K=cc products / cc reactifs
By identifying and quantifying the decrease in reactants concentrations and the increase in products using an analytical technique.
We recognize what a chemical reaction through changes in the vicinity of the reaction
1. Color change
2. heat emission or absorption of heat
3. be precipitate
4. smell
