In a Certain Thermodynamic Process,20 Cal of Heat Are Removed

question 73

Multiple Choice

In a certain thermodynamic process,20 cal of heat are removed from a system and 30 cal of work are done on the system.The internal energy of the system

• A)increases by 10 cal.
• B)decreases by 10 cal.
• C)increases by 50 cal.
• D)decreases by 50 cal.
• E)decreases by 20 cal.

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