# Combined Gas Law Calculator

Combined gas law is the combination of Charles's law, Boyle's law, and Gay-Lussac's law. It states that the ratio between the pressure-volume product and temperature is a constant. In this calculator, the initial and final volume, pressure, temperature can be calculated alternatively with the other known values.

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#### Combined Gas Law:

Gas Equation: P_{i}V_{i}/T_{i} = P_{f}V_{f}/T_{f}
** where, **
V_{i} = Initial Volume,
P_{i} = Initial Pressure,
T_{i} = Initial Temperature,
V_{f} = Final Volume,
P_{f} = Final Pressure,
T_{f} = Final Temperature.
### Example:

If the initial and final volume is 12, 2, initial and final pressure is 10, 7 and initial temperature is 5,

#### Formula :

P_{i}V_{i}/T_{i} = P_{f}V_{f}/T_{f}
T_{f} = (T_{i} x P_{f}V_{f}) / P_{i}V_{i}

= (5 x 7 x 2) / (12 x 10)

= 0.58

Hence, final temperature is 0.58