An open container holds ice of mass 0.550 kg at a temperature
of -11.4 ∘C ....
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Physics
An open container holds ice of mass 0.550 kg at a temperatureof -11.4 ∘C . The mass of the container can be ignored. Heat issupplied to the container at the constant rate of 890 J/minute .
The specific heat of ice to is 2100 J/kg⋅K and the heat offusion for ice is 334×103J/kg.
Part A
How much time tmelts passes before the ice starts tomelt?
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tmelts
tmeltst_melts
=
  minutes Â
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Part B
From the time when the heating begins, how much time trise doesit take before the temperature begins to rise above 0∘C?
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trise
triset_rise
=
  minutes Â
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4.3 Ratings (753 Votes)
Specific heat of ice C 2100 JkgK Latent heat of fusion for ice L 334 x 103 Jkg Mass of ice m 055 kg Initial temperature of ice T1 114 oC Melting point of ice T2 0 oC Rate at which heat is
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