Respuesta :

-33⁰C

Explanation:

Charles Law states V/T initial = V/T final

T must be in Kelvin.

100/300 = 80/x

(27⁰C + 273 = 300

100x = (300)(80)

100x = 24,000

x = 240⁰K

240 - 273 = -33⁰C