Respuesta :

Hey there!:

The Clapeyron equation is used: 

 P * V = n * R * T

1 * 12 = 1 * 0.0821 * T

12  =  0.0821 * T

T = 12 / 0.0821 

T = 146.163 ºC

T = 146.163 + 273.15

T = 419.313 K