Concept explainers
A chemical system produces 155 kJ of heat and does 22 kJ of work. What is ΔE for the surroundings?
- -177 kJ
- 177 kJ
- -133 kJ
- 133 kJ
Interpretation:
To find out
Concept Introduction: The relationship between heat,
Answer to Problem 1SAQ
Correct answer:
Therefore, option (b) is correct and options (a), (c) and (d), are incorrect.
Explanation of Solution
Reasons for the correct statement: The heat is produced by the chemical system and released to the surroundings so,
The work is done by the chemical system on the surroundings so,
Substituting the values:
Hence, option (b) is correct.
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Chapter 10 Solutions
Chemistry: Structure and Properties
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