Small pieces of copper at 100.0°C are placed in 110.0 g of water at 25.0°C in a perfectly insulated calorimeter. The water and copper reach the same final temperature. The initial and final temperatures of the water are shown. Which of the following statements about thermal energy transfer in the experiment is correct? A B с D The temperature of the copper increases, so thermal energy must flow from the copper to the water. The temperature of the copper increases, so thermal energy must flow from the water to the copper. The temperature of the copper decreases, so thermal energy must flow from the copper to the water. The temperature of the copper decreases, so thermal energy must flow from the water to the copper. Su
Small pieces of copper at 100.0°C are placed in 110.0 g of water at 25.0°C in a perfectly insulated calorimeter. The water and copper reach the same final temperature. The initial and final temperatures of the water are shown. Which of the following statements about thermal energy transfer in the experiment is correct? A B с D The temperature of the copper increases, so thermal energy must flow from the copper to the water. The temperature of the copper increases, so thermal energy must flow from the water to the copper. The temperature of the copper decreases, so thermal energy must flow from the copper to the water. The temperature of the copper decreases, so thermal energy must flow from the water to the copper. Su
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter15: Energy And Chemical Change
Section: Chapter Questions
Problem 110A: Calculate Suppose that two pieces of iron, one with amass exactly twice the mass of the other, are...
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Transcribed Image Text:Small pieces of copper at 100.0°C are placed in 110.0 g of water at 25.0°C in a perfectly insulated calorimeter. The water and copper reach the same final temperature. The initial and final temperatures of the water are shown.
Diagram Explanation:
- There are two diagrams showing a calorimeter.
- Both diagrams display the same setup: a container with water at 25°C.
- The right diagram includes small pieces of copper at the bottom of the water.
Which of the following statements about thermal energy transfer in the experiment is correct?
A) The temperature of the copper increases, so thermal energy must flow from the copper to the water.
B) The temperature of the copper increases, so thermal energy must flow from the water to the copper.
C) The temperature of the copper decreases, so thermal energy must flow from the copper to the water.
D) The temperature of the copper decreases, so thermal energy must flow from the water to the copper.
(C is marked as the correct answer.)
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