Ahelium balloon has a volume of 2.5 l at 274.2 kpa. as the balloon rises the pressure drops to 52.2 kpa. what is the new volume?

According to Boyle's Law, The Volume of an Ideal gas is Inversely proportional to its Absolute Pressure at a Constant Temperature.

Assuming the Helium gas as an Ideal Gas and Temperature of the Atmosphere is Constant :

Here : p₁ = 274.2 kPa and p₂ = 52.2 kPa and v₁ = 2.5

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So, The New Volume is 13.13 Liter

conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object. collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object. the objects must be in physical contact.