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A cup contains 187 g of coffee at 97.6 °C. Suppose 56.2 g of ice is added to the coffee. What is the temperature of the coffee after all of the ice melts? The enthalpy of fusion of water can be found in this table. Assume the specific heat capacity of the coffee is the same as water. Tinal = 68.33 °C Incorrect

A cup contains 187 g of coffee at 97.6 °C. Suppose 56.2 g of ice is added to the coffee. What is the temperature of the coffee after all of the ice melts? The enthalpy of fusion of water can be found in this table. Assume the specific heat capacity of the coffee is the same as water. Tinal = 68.33 °C Incorrect

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
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Enthalpy of fusion of water: 333.6 J/g (6010 J/mol)

A cup contains 187 g of coffee at 97.6 °C. Suppose 56.2 g of ice is added to the coffee. What is the temperature of the coffee after all of the ice melts? The enthalpy of fusion of water can be found in this table. Assume the specific heat capacity of the coffee is the same as water. Tfinal 68.33 °C Incorrect
Transcribed Image Text:A cup contains 187 g of coffee at 97.6 °C. Suppose 56.2 g of ice is added to the coffee. What is the temperature of the coffee after all of the ice melts? The enthalpy of fusion of water can be found in this table. Assume the specific heat capacity of the coffee is the same as water. Tfinal 68.33 °C Incorrect
A cup contains 187 after all of the ice melts? The enthalpy of f of coffee at 97.6 °C. > E Feedback coffee is the same as water. When ice is added to the coffee, the ice absorbs heat from the coffee and melts. The melted ice then abosorbs additional heat from the coffee as they reach thermal equillibrium. The coffee will cool from this loss of heat. This can be represented using the equation Tinal 68.33 -Acoffee qice + (mice X AHfusion) Incorrect where q is heat, m is mass, and AHfusion is the enthalpy of fusion for water. The amount of heat lost by the coffee and gained by the melted ice can be represented using the equation q = MCAT where c is the specific heat, and AT is the change in temperature. Substituting the heat equation for q gives -(mcoffee X Cwater X AT) = (mice X Cwater X AT) + (mice × AHfusion) The inital temperature of the melted ice is 0 °C and the final temperature of the melted ice and the coffee will be the same. Rearrange and solve for the final temperature.
Transcribed Image Text:A cup contains 187 after all of the ice melts? The enthalpy of f of coffee at 97.6 °C. > E Feedback coffee is the same as water. When ice is added to the coffee, the ice absorbs heat from the coffee and melts. The melted ice then abosorbs additional heat from the coffee as they reach thermal equillibrium. The coffee will cool from this loss of heat. This can be represented using the equation Tinal 68.33 -Acoffee qice + (mice X AHfusion) Incorrect where q is heat, m is mass, and AHfusion is the enthalpy of fusion for water. The amount of heat lost by the coffee and gained by the melted ice can be represented using the equation q = MCAT where c is the specific heat, and AT is the change in temperature. Substituting the heat equation for q gives -(mcoffee X Cwater X AT) = (mice X Cwater X AT) + (mice × AHfusion) The inital temperature of the melted ice is 0 °C and the final temperature of the melted ice and the coffee will be the same. Rearrange and solve for the final temperature.
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