Graphical Representation Of Charle's Law

Graph between V and T at constant pressure is called isobar or isoplestics and is always a straight line. A plot of V versus t(°C) at constant pressure is a straight line cutting the temperature axis at – 273.15°C. It is the lowest possible temperature.

At constant mass and pressure density of a gas is inversely proportional to it absolute temperature.

Use of hot air balloons in sports and meteorological observations is an application of Charle's law.

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