Chemistry Formulas

pH Formula

pH = -log[H⁺]

Used to measure the acidity or basicity of a solution.

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Mole Formula

n = m/M or n = C × V

Relates the amount of a substance in moles to its mass or concentration.

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Enthalpy of Reaction

ΔH = ΣH(products) - ΣH(reactants)

Calculates the heat absorbed or released during a chemical reaction.

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Alkane General Formula

CₙH₂ₙ₊₂

Describes the structure of alkanes, saturated hydrocarbons.

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Solubility Product (Ksp)

Ksp = [A⁺]ᵐ[B⁻]ⁿ

Indicates the degree to which a compound dissolves in water.

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Nernst Equation

E = E° - (RT / zF) ln(Q)

Relates the reduction potential of an electrochemical reaction to the standard potential, temperature, and reaction quotient.

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