A balloon is heated by adding 35 Jof heat while it does 14 J of work on the atmosphere. Calculate the change in internal energy of the system (J). Type your answer.
A balloon is heated by adding 35 Jof heat while it does 14 J of work on the atmosphere. Calculate the change in internal energy of the system (J). Type your answer.
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
![**Problem Statement:**
A balloon is heated by adding 35 J of heat while it does 14 J of work on the atmosphere. Calculate the change in internal energy of the system (J).
**Solution Approach:**
To find the change in internal energy (\(\Delta U\)) of the system, we use the first law of thermodynamics:
\[
\Delta U = Q - W
\]
Where:
- \(Q\) is the heat added to the system (35 J).
- \(W\) is the work done by the system on the surroundings (14 J).
**Calculation:**
\[
\Delta U = 35\, \text{J} - 14\, \text{J} = 21\, \text{J}
\]
**Answer:**
The change in internal energy of the system is 21 J.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd0e3b137-93c3-4f8a-ba86-2ec6c73db472%2F37409ea6-e40a-42f7-b571-9aa20b57f806%2F8j6mlfq_processed.png&w=3840&q=75)
Transcribed Image Text:**Problem Statement:**
A balloon is heated by adding 35 J of heat while it does 14 J of work on the atmosphere. Calculate the change in internal energy of the system (J).
**Solution Approach:**
To find the change in internal energy (\(\Delta U\)) of the system, we use the first law of thermodynamics:
\[
\Delta U = Q - W
\]
Where:
- \(Q\) is the heat added to the system (35 J).
- \(W\) is the work done by the system on the surroundings (14 J).
**Calculation:**
\[
\Delta U = 35\, \text{J} - 14\, \text{J} = 21\, \text{J}
\]
**Answer:**
The change in internal energy of the system is 21 J.
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