Consider one-dimensional steady state heat conduction across a wall (as shown in the figure below) of thickness 30 mm and thermal conductivity 15 W/m.K. At x=0, a constant heat flux, q″=1×10^5 W/m^2 is applied. On the other side of the wall, heat is removed from the wall by convection with fluid at 25 C and a heat transfer coefficient of 250 W/m^2.K. The temperature (in C), at x=0 is ___________

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