Light

Free Energy Change at Nonstandard Conditions

Definition

This refers to the change in free energy under conditions other than standard state conditions (25°C temperature, 1 atm pressure). It's calculated using the Gibbs free energy equation adjusted for non-standard conditions.

Analogy

Imagine planning a road trip under ideal conditions – perfect weather and no traffic; this would be akin to calculating free energy change under standard conditions. But what if it's raining and there's heavy traffic? You'd need to adjust your plans, just like you adjust the Gibbs free energy equation for non-standard conditions.

Related terms

Gibbs Free Energy: The maximum amount of useful work that can be obtained from a system at constant temperature and pressure.

Standard State Conditions: A reference point used by scientists to calculate properties of substances under different conditions.

Le Chatelier’s Principle: This principle states that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change.