Different chemical reactions Slideshow Play

Different equations Student activity Play

Differential equation with separable variables Student activity Play

Differentiated cells – neurones Student activity Play

Dinitrogen tetroxide – nitrogen dioxide chemical equilibrium Animation Play

Direction of spontaneous reaction Animation Play

Discriminant of the equation ax 2 + bx + c = 0 Student activity Play

Discriminant of the quadratic equation Whiteboard exercise Play

Displace metal from a solution Animation Play

Displacement in harmonic motion Animation Play

Displacement of hydrogen from acids by metals Animation Play

Displacement of metals from solutions of their salts by other metals Student activity Play

Displacement reactions Student activity Play

Displacement reactions among the halogens Student activity Play

Displacement reactions among the halogens Animation Play

Dissociation constants of conjugate acids and bases Whiteboard exercise Play

Dissociation constants of conjugate acids and bases Student activity Play

Dissociation constants of ethanoic acid and the ethanoate ion Animation Play

Dissociation of weak bases Animation Play

Do catalysts affect the reaction equilibrium? Animation Play

'Double quadratic' equations Whiteboard exercise Play

'Double quadratic' equations Student activity Play

Drag and drag coefficient Student activity Play

Drag and drag coefficient Animation Play

Drawing dots Student activity Play