An open container holds ice of mass 0.505 kg at a temperature of -10.4 °C. The mass of the container can be ignored. Heat is supplied to the container at the constant rate of 700 J/minute. The specific heat of ice is 2100 J/kg·K and the heat of fusion for ice is 334×10^3 J/kg. How much time tmelts passes before the ice starts to melt? From the time when the heating begins, how much time trise does it take before the temperature begins to rise above 0 °C?
Added by Christina R.
Step 1
Given: Mass of ice, m = 0.505 kg Specific heat of ice, c = 2100 J/kg·K Initial temperature, t_initial = -10.4 °C Rate of heat supply, P = 700 J/minute Using the formula: \[t_{\text{melts}} = \frac{m \times c \times (t_{\text{final}} - Show more…
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