Sample Problem 2:

A child's helium balloon has a volume of 4.0 L inside a house at room temperature (20°C). When it is taken outside its volume becomes 3.5 liters. Estimate the temperature outside

T₁ = 293 K

V₁ = 4.0 L

What is V₂?

  4.0 L     3.5 L     20°C     293 K