$ V_{1} = \frac{V_{2} \cdot p_{} \cdot T_{1} }{ T_{2} \cdot p_{1} } $

$ p_{1} = \frac{V_{2} \cdot p_{2} \cdot T_{1} }{ T_{2} \cdot V_{1} } $

$ T_{1} = \frac{V_{1} \cdot p_{1} \cdot T_{2} }{ V_{2} \cdot p_{2} } $