In a Thermodynamic Process, the Internal Energy of a System

question 53

Multiple Choice

In a thermodynamic process, the internal energy of a system in a container with adiabatic walls decreases by 800 J. Which statement is correct?

• A) The system lost 800 J by heat transfer to its surroundings.
• B) The system gained 800 J by heat transfer from its surroundings.
• C) The system performed 800 J of work on its surroundings.
• D) The surroundings performed 800 J of work on the system.
• E) The 800 J of work done by the system was equal to the 800 J of heat transferred to the system from its surroundings.

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