QUESTION 7An ice cube weighing 12.8 g at 0.0 °C is placed in a cup of hot coffee. The coffee's initial temperature is 85.6 °C and the cup contains 136.5 g of coffee. When the ice cube is placed inside the cup of coffee, the cube melts, and then mixes with the coffee. What is the final temperature (°C) of the new watered-down coffee? Assume that the heat of fusion (melting) for the ice cube is 6.0 kJ/mol. Assume that the coffee has the same specific heat capacity as the water (4.184 J K–1 g–1).Report your final answer to 3 significant figures with no units.

Mass of ice cube M1 = 12.8 g Molar mass of water = 18 g/mol Moles of ice (water) = ( 12.8 g / 18…

Answered: An ice cube weighing 12.8 g at 0.0 °C…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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QUESTION 7

An ice cube weighing 12.8 g at 0.0 °C is placed in a cup of hot coffee. The coffee's initial temperature is 85.6 °C and the cup contains 136.5 g of coffee. When the ice cube is placed inside the cup of coffee, the cube melts, and then mixes with the coffee. What is the final temperature (°C) of the new watered-down coffee?

Assume that the heat of fusion (melting) for the ice cube is 6.0 kJ/mol. Assume that the coffee has the same specific heat capacity as the water (4.184 J K^–1 g^–1).

Report your final answer to 3 significant figures with no units.

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