How Many Grams of Ice at -17°C Must Be Added $70 ^ { \circ } \mathrm { C }$

question 113

Short Answer

How many grams of ice at -17°C must be added to 741 grams of water that is initially at a temperature of $70 ^ { \circ } \mathrm { C }$ to produce water at a final temperature of ${ 12 } ^ { \circ } \mathrm { C } \text {, }$ Assume that no thermal energy is lost to the surroundings and that the container has negligible mass.The specific heat of liquid water is 4190 J/kg ∙ C° and of ice is 2000 J/kg ∙ C°.For water the normal melting point is 0°C and the heat of fusion is 334 × 10³ J/kg.The normal boiling point is 100°C and the heat of vaporization is 2.256 × 10⁶ J/kg.

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