Reaction Quotient (Q vs K) & Chemical Equilibrium Direction Calculator
Compare instantaneous reaction quotient (Q) against equilibrium constant (K) to predict spontaneous shift direction (forward, reverse, or equilibrium) and free energy driving force (ΔG).
Quotient to Constant Ratio (Q / K)
Calculator Inputs
Quotient to Constant Ratio (Q / K)
Equilibrium Driving Force (ΔG kJ/mol)
Spontaneous Forward Shift (Q < K): System has surplus reactants; shifts spontaneously rightward to form products until equilibrium is attained.
Reaction Quotient vs Equilibrium Constant
Standard chemical thermodynamics and equilibrium tool for predicting reaction directionality.
Calculation Methodology
Reaction Quotient Q = [Products]^coefficients / [Reactants]^coefficients. If Q < K: Shifts Forward (makes products). If Q > K: Shifts Reverse (makes reactants). If Q = K: At dynamic equilibrium. Driving force: ΔG = R * T * ln(Q / K).
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