An open container holds ice of mass 0.555kg at a temperature of -15.9degreesCELS

Question

An open container holds ice of mass 0.555kg at a temperature of -15.9degreesCELSIUS . The mass of the container can be ignored. Heat is supplied to the container at the constant rate of 880J/minute .

The specific heat of ice to is 2100 J/kg and the heat of fusion for ice is 334*10^3 J/kg

A) How much time t_melts passes before the ice starts to melt?

B) From the time when the heating begins, how much time t_rise does it take before the temperature begins to rise above 0degrees celsius?

please show all work too, thanks

Explanation / Answer

a) 880*t=0.555*2100*(0-(-15.9))

=>t=21.06 s

b)880*t=0.555*334*103

=>t=210.65 s

total t=231.7 s

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