Thickness of ice on lake'* surface is 5 cm. Find time required for ice'* thickness to double. Data in description.

Question

The temperature of the envoronment=263 K,

Density of ice=0.92 g cm-3,

Thermal conductivity of ice=0.004 cal cm-1 'u200bC-1,

Latent heat of ice= 80 cal g-1.

Answer 1

Use this formula and put the values to get the answer