Use Charles's Law to find T1 given

Question

V1 = 123 L , V2 = 87L, T2 = 111*C  answer in units of C

Answer 1

At constant pressure, T/V = constant.

 

T₁/V₁ = T₂/V₂

 

T₁ = (V₁/V₂)T₂

 

You must work this in absolute temperature:  T₂ = (111 + 273)K = 384 K

 

T₁ = (123 / 87)(384) K ≅ 543 K = (543 - 273)°C = 270°C