Formeln

Mathematische Formeln

${\begin{aligned}L&=\lim _{|x|\to \infty }\ {\frac {\cos {\frac {1}{x}}\cdot {\frac {-1}{x^{2}}}}{\frac {-1}{x^{2}}}}\\&=\lim _{|x|\to \infty }{\cos {\frac {1}{x}}}\cdot {\frac {-1}{x^{2}}}\cdot {\frac {x^{2}}{-1}}\\&=\cos {\frac {1}{\infty }}=\cos 0=1\end{aligned}}$

Physikalische Formeln

$\alpha ={\frac {K_{c}}{2\cdot c_{0}}}{\biggl (}{\sqrt {1+{\frac {4\cdot c_{0}}{K_{c}}}-1}}{\biggr )}$ Ostwaldsches Verdünnungsgesetz

Chemische Reaktionsgleichungen

$\mathrm {CH_{3}COOH+CH_{3}OH\longrightarrow CH_{3}COOCH_{3}\uparrow +H_{2}O}$$_{Sdp:\quad 118\,^{\circ }C\qquad 65\,^{\circ }C\qquad \qquad \qquad 57\,^{\circ }C\qquad \quad 100\,^{\circ }C}$

 Abb. : Strukturformel von Essigsäure