How is the value of the equilibrium constant Kp for the reaction 2 H2 O(g)+N2(g) ⇌2 H2(g)+2 NO(g

step 1 Strive our equilibrium constant for the first equilibrium. KP is equal to the partial pressure o

How is the value of the equilibrium constant Kp for the...

How is the value of the equilibrium constant $K_{\mathrm{p}}$ for the reaction $$ 2 \mathrm{H}_{2} \mathrm{O}(g)+\mathrm{N}_{2}(g) \rightleftharpoons 2 \mathrm{H}_{2}(g)+2 \mathrm{NO}(g) $$ related to the value of $K_{\mathrm{p}}$ for this reaction at the same temperature? $$ \mathrm{H}_{2} \mathrm{O}(g)+\frac{1}{2} \mathrm{N}_{2}(g) \rightleftharpoons \mathrm{H}_{2}(g)+\mathrm{NO}(g) $$

How is the value of the equilibrium constant $K_{\mathrm{p}}$ for the reaction
$$
2 \mathrm{H}_{2} \mathrm{O}(g)+\mathrm{N}_{2}(g) \rightleftharpoons 2 \mathrm{H}_{2}(g)+2 \mathrm{NO}(g)
$$
related to the value of $K_{\mathrm{p}}$ for this reaction at the same temperature?
$$
\mathrm{H}_{2} \mathrm{O}(g)+\frac{1}{2} \mathrm{N}_{2}(g) \rightleftharpoons \mathrm{H}_{2}(g)+\mathrm{NO}(g)
$$

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Key Concepts

Equilibrium Constant

The equilibrium constant (Kp) quantifies the ratio of product pressures to reactant pressures raised to the power of their stoichiometric coefficients at equilibrium. It is a fundamental parameter in chemical thermodynamics that indicates the position of equilibrium for a reaction under given conditions.

Reaction Stoichiometry

Reaction stoichiometry refers to the coefficients that indicate the relative amounts of reactants and products in a balanced chemical equation. These coefficients not only describe the proportions of substances involved but also play a critical role in determining how the equilibrium constant is expressed, as they appear as exponents in the equilibrium expression.

Scaling of Equilibrium Equations

When a chemical reaction equation is multiplied by a factor, the equilibrium constant for the scaled reaction is given by the original equilibrium constant raised to the power of that factor. This relationship arises because the exponent in the equilibrium constant's expression scales according to the stoichiometric coefficients, illustrating how changes in the representation of the reaction affect the numerical value of Kp.

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