1) A 109-g piece of copper is heated in a furnace to a temperature tc. The copper is then inserted into a 150-g copper calorimeter containing 193 g of water. The initial temperature of the water and calorimeter is 16°C, and the final temperature after equilibrium is established is 38° C. When the calorimeter and its contents are weighed, 1.2 g of water are found to have evaporated. What was the temperature tc? C Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question.
1) A 109-g piece of copper is heated in a furnace to a temperature tc. The copper is then inserted into a 150-g copper calorimeter containing 193 g of water. The initial temperature of the water and calorimeter is 16°C, and the final temperature after equilibrium is established is 38° C. When the calorimeter and its contents are weighed, 1.2 g of water are found to have evaporated. What was the temperature tc? C Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question.
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Transcribed Image Text:### Heat Transfer in Calorimetry Experiment
**Problem Statement:**
1. A 109-g piece of copper is heated in a furnace to a temperature \( t_c \). The copper is then inserted into a 150-g copper calorimeter containing 193 g of water. The initial temperature of the water and calorimeter is 16°C, and the final temperature after equilibrium is established is 38°C. When the calorimeter and its contents are weighed, 1.2 g of water are found to have evaporated. What was the temperature \( t_c \)?
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**Instructions for Calculation:**
1. Use the principle of conservation of energy, considering the heat gained by the water and calorimeter is equal to the heat lost by the copper piece.
2. Account for the mass of evaporated water when calculating the final energy balance.
Understanding this experiment is fundamental when learning about the laws of thermodynamics and heat transfers, particularly in isolated systems.
This problem involves calculating the initial temperature of a heated object before it is placed in another substance, leading to thermal equilibrium. The user needs to solve for the initial temperature of copper \( t_c \) by understanding and applying the concepts of calorimetry.
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