24:40

C4L6: The Structure and Properties of Solids

21:52

C5L1: Energy Changes in Chemical and Nuclear Reactions

2:13

Wash My Hands Song

31:05

C5L3: Bond Energies and Hess’s Law

29:31

C4L3: Electronegativity and Bond Polarity; Molecular Polarity

33:32

Contemporary Chemistry - Acids and Bases #chemistry #acids #bases #ph

37:01

AQA A-Level Chemistry - Intermolecular Forces

42:40

C5L4: Standard Enthalpies of Formation, and Present and Future Energy Sources