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Explore the concepts of irreversible and reversible processes in thermodynamics. Learn how infinitesimal changes in external conditions impact the direction of steady-state processes. Understand why energy dissipation characterizes irreversible processes and how reversibility can be achieved under specific conditions.
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Process whose direction can be changed by an infinitesimal change in external conditions is reversible.
Process which dissipates energy is irreversible to an infinitesimal change in external conditions.