If $\Delta E_{int}$ represents the increase in internal energy and $W$ represents the work done by the system,which of the following statements is correct for a thermodynamic system?

  • A
    $\Delta E_{int} = -W$ for an isothermal process
  • B
    $\Delta E_{int} = W$ for an isothermal process
  • C
    $\Delta E_{int} = -W$ for an adiabatic process
  • D
    $\Delta E_{int} = W$ for an adiabatic process

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