Reduction with Carbon - Lesson 4 - Chemical Changes
31:06
Metal Oxides, Oxidation & Reduction - Lesson 1 - Chemical Changes
21:55
The Reactivity Series - Lesson 2 - Chemical Changes
30:27
Crude Oil Lesson 3 - Cracking
22:59
O Paradoxo da Cúpula: Uma Brecha nas Leis de Newton
32:24
Displacement Reactions - Lesson 3 - Chemical Changes
7:28
7 minutes of joy with Chemistry experiments
18:06
Enthalpy changes of solution and hydration
23:25