Question

An insulated beaker with negligible mass contains liquid water with a mass of 0.225 kg and a temperature of 68.8 ∘C .

Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to be 3.34×105 J/kg .

How much ice at a temperature of -15.3 ∘C∘C must be dropped into the water so that the final temperature of the system will be 24.0 ∘C∘C ?

Take the specific heat of liquid water to be 4190 J/kg⋅KJ/kg⋅K ,
the specific heat of ice to be 2100 J/kg⋅KJ/kg⋅K , and the heat of
fusion for water to be 3.34×10^{5} J/kgJ/kg .

Answer #1

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