Calculate ΔU for a System That Loses 475 KJ of Heat

question 113

Multiple Choice

Calculate ΔU for a system that loses 475 kJ of heat and does 155 kJ of expansion work on the surroundings.

• A)-630 kJ
• B)-320 kJ
• C)+630 kJ
• D)+320 kJ

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Definitions:

Existing One

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Market Segmenting

The practice of dividing a broad target market into subsets of consumers who have common needs, preferences, or characteristics, targeting them with specific marketing strategies.

Purchasing History

Recorded information detailing past transactions made by a buyer, used for analyzing buying behavior or trends.

Psychographic

Relating to the study of personalities, values, opinions, attitudes, interests, and lifestyles.