We consider a thermodynamic system. If ∆U represent the increase in its energy and W the work done by the system, which of the following statements is true?
A. ∆U = – W in an isothermal process
B. ∆U = – W in an adiabatic process
C. ∆U = W in an isothermal process
D. ∆U = W in an adiabatic process
Answer:B
We consider a thermodynamic system. If ∆U represent the increase in its energy and W the work done by the system, which of the following statements is true?
A. ∆U = – W in an isothermal process B. ∆U = – W in an adiabatic process C. ∆U = W in an isothermal process D. ∆U = W in an adiabatic process