Chemistry - Physical Chemistry - Advanced - Spontaneity and free energy - Spontaneity Conditions Explorer

Interactive exploration of what makes reactions spontaneous. Show a 2×2 grid: ΔH axis (negative left, positive right) × ΔS axis (positive top, negative bottom). Each quadrant shows: Top-left (ΔH<0, ΔS>0): ALWAYS spontaneous. Green. Examples: combustion, rusting. ΔG always negative. Top-right (ΔH>0,