On increasing temperature , On decreasing pressure , on increasing the number of air molecules in the balloon volume will increase
The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases.
An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).
Considering the gas inside the balloon to be ideal
We can understand from the ideal gas equation that
V∝ Temperature
V∝ Number of air molecules
V ∝ (1/P)
Therefore on increasing temperature volume will increase ,
On decreasing pressure volume will increase
and on increasing the number of air molecules in the balloon volume will increase.
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