Question

The temperature on the inside face of a glass window is 20.0 .C

while the outside temperature is 0.00 .C. The window is 100 cm

by 100 cm by 10.0 mm and has a thermal conductivity of 0.85

W/m.K. How much energy passes outward through the glass in

Answer 1

$Q=\frac\kappa{d} S∆T=1.7~kJ.$