The first law of thermodynamics states that △E = Q-w. is this also a statement of the principle of conversation of energy? A. The heat that flows into the system is transformed into work and a change in internal energy B. The energy that flows into the system is transformed into heat and work C. The work that is done by the piston is transformed into heat and a change in internal energy D. A change in internal energy causes work to be done and heat to flow into the system

Question

Stanley Burns

Physics

15 December, 15:29

The first law of thermodynamics states that △E = Q-w. is this also a statement of the principle of conversation of energy? A. The heat that flows into the system is transformed into work and a change in internal energy B. The energy that flows into the system is transformed into heat and work C. The work that is done by the piston is transformed into heat and a change in internal energy D. A change in internal energy causes work to be done and heat to flow into the system

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Mackenzie Stafford · Answer 1

The first law of thermodynamics is concerned with the conservation (not conversation) of energy. The key concept in this law is that the change in internal energy is equal to the heat that flows into the system minus the work done. This is the same as saying that if we apply heat to the system, the system may store it as internal energy or use it to perform the work. Thus, the answer to this is letter A.

Paulina Thompson · Answer 2

Its A. The heat that flows into the system is transformed into work and a change in internal energy