Question

The pressure in a sealed plastic container is 108 kpa at 41 c. What is the pressure when the temperature drops to 22 c? remember to convert degrees celsius to kelvin.

Answer 1

41 C = 273 K + 41 C = 314 K

22 C = 273 K + 22 C = 295 K

P V = N R T ideal gas equation

P2 / P1 = T2 / T1 dividing equations

P2 = 108 kpa * 295 / 314 = 101 kpa