Chemistry Formulas
| Stoichiometry |
|---|
|
\[
\begin{array}{c}
n = \dfrac{m}{M}
\end{array}
\]
|
|
\[
\begin{aligned}
c &= \dfrac{n}{V} \\[0.1cm]
\text{or }\;
c &= \dfrac{m}{MV}
\end{aligned}
\]
|
|
\[
\begin{array}{c}
\dfrac{c_{\text{a}}V_{\text{a}}}{c_{\text{b}}V_{\text{b}}} = \dfrac{n_{\text{a}}}{n_{\text{b}}}
\end{array}
\]
|
|
\[
\begin{array}{c}
N = nN_{\text{A}}
\end{array}
\]
|
|
\[
\begin{array}{c}
V_{\text{g}} = nV_{\text{m}}
\end{array}
\]
|
| Acids and bases |
|---|
|
\[
\begin{array}{c}
\text{pH} = -\log\left[\text{H}_{3}\text{O}^{+}\right]
\end{array}
\]
|
|
\[
\begin{aligned}
K_{\text{w}} &= \left[\text{H}_{3}\text{O}^{+}\right]\left[\text{OH}^{-}\right] \\
&= \text{1} \times \text{10}^{-\text{14}} \text{ at } \text{298}\ \text{K}
\end{aligned}
\]
|
| Electrochemistry |
|---|
|
\[
\begin{array}{c}
E_{\text{cell}}^{\theta} = E_{\text{cathode}}^{\theta} - E_{\text{anode}}^{\theta}
\end{array}
\]
|
|
\[
\begin{array}{c}
E_{\text{cell}}^{\theta} = E_{\text{reduction}}^{\theta} - E_{\text{oxidation}}^{\theta}
\end{array}
\]
|
|
\[
\begin{array}{c}
E_{\text{cell}}^{\theta} = E_{\text{oxidising agent}}^{\theta} - E_{\text{reducing agent}}^{\theta}
\end{array}
\]
|
| Gas laws |
|---|
|
\[
\begin{array}{c}
p_{1}V_{1} = p_{2}V_{2}
\end{array}
\]
|
|
\[
\begin{array}{c}
\dfrac{V_{1}}{T_{1}} = \dfrac{V_{2}}{T_{2}}
\end{array}
\]
|
|
\[
\begin{array}{c}
\dfrac{p_{1}}{T_{1}} = \dfrac{p_{2}}{T_{2}}
\end{array}
\]
|
|
\[
\begin{array}{c}
\dfrac{p_{1}V_{1}}{T_{1}} = \dfrac{p_{2}V_{2}}{T_{2}}
\end{array}
\]
|
|
\[
\begin{array}{c}
pV = nRT
\end{array}
\]
|