An open container holds 0.550 kg of ice at - 15.0 ?C. The mass of the container

Question

An open container holds 0.550 kg of ice at - 15.0 ?C. The mass of the container can be ignored. Heat is supplied to the container at the constant rate of 800 J/min for 500 min.

Part A

After how many minutes does the ice start to melt?

Part B

After how many minutes, from the time when the heating is first started, does the temperature begin to rise above 0 ?C?

Part C

Plot a curve showing the temperature as a function of the elapsed time.

Please show ALL your work for points and ratings! Thank you!!!

Explanation / Answer

(a) When the ice begins to melt? From Table 17.3, the specific heat of ice is 2100
J/kg

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