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A system absorbs 6 kJ of heat and does 1.5 kJ of work on its surroundings. The
Chemistry
Chemical Thermodynamics and Energetic
Question
Updated
19 Aug 2026
A system absorbs 6 kJ of heat and does 1.5 kJ of work on its surroundings. The change in internal energy is __________.
A
Choose Your Answer
A
– 7.5 kJ
B
– 4.5 kJ
C
+4.5 kJ
D
+ 7.5 kJ
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