One Statement of the First Law of Thermodynamics Is That

question 18

Multiple Choice

One statement of the first law of thermodynamics is that

• A) the amount of work done on a system is dependent of the pathway.
• B) the total work done on a system must equal the heat absorbed by the system.
• C) the total work done on a system is equal in magnitude,but opposite in sign of the heat absorbed by the system.
• D) the total energy change for a system is equal to the sum of the heat transferred to or from the system and the work done by or on the system.
• E) in any chemical process the heat flow must equal the change in enthalpy.

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