%0 Conference Proceedings %T Recycling waste chemicals in general chemistry laboratory of ferdowsi university of mashhad (Part 3: the rate of chemical reactions, electrolysis of sulfuric acid and thermo gravimetric analysis of copper (II) oxide experiments) %A Kazemi Riabi, Seyed Hasan %J ششمین سمینار ملی شیمی و محیط زیست ایران %D 2013