Chemistry Calculators

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Discover powerful chemistry calculators for molecular analysis, reactions, and biochemical processes

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Biochemistry

Enzyme Activity Calculator

Calculate enzyme activity and kinetics including reaction rates and substrate concentrations

Try Calculator Enzyme Activity Calculator
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General Chemistry

Atomic Mass Calculator

Calculate atomic mass and molecular weight of elements and compounds using isotopic abundance and mass numbers

Try Calculator Atomic Mass Calculator

Percent Composition Calculator

Calculate percent composition by mass of elements in chemical compounds and formulas

Try Calculator Percent Composition Calculator

Empirical Formula Calculator

Determine empirical formula from percent composition or mass data of elements in compounds

Try Calculator Empirical Formula Calculator
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Stoichiometry

Limiting Reagent Calculator

Identify limiting reagent and calculate theoretical yield for chemical reactions and stoichiometry problems

Try Calculator Limiting Reagent Calculator

Reaction Yield Calculator

Calculate theoretical yield, actual yield, and percent yield for chemical reactions

Try Calculator Reaction Yield Calculator

Mole Ratio Calculator

Calculate mole ratios between reactants and products in balanced chemical equations

Try Calculator Mole Ratio Calculator
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Organic Chemistry

Functional Group Identifier

Identify functional groups in organic molecules and compounds for structure analysis

Try Calculator Functional Group Identifier

Degree of Unsaturation Calculator

Calculate degree of unsaturation (index of hydrogen deficiency) from molecular formula for organic structure determination

Try Calculator Degree of Unsaturation Calculator
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Inorganic Chemistry

Oxidation State Calculator

Calculate oxidation states and oxidation numbers of elements in compounds and chemical species

Try Calculator Oxidation State Calculator

Coordination Number Calculator

Determine coordination number and geometry of metal complexes in coordination chemistry

Try Calculator Coordination Number Calculator
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Physical Chemistry

Gas Law Calculator

Calculate gas properties using ideal gas law, combined gas law, and real gas equations

Try Calculator Gas Law Calculator

Reaction Rate Calculator

Calculate reaction rates, rate constants, and half-life for chemical kinetics and rate laws

Try Calculator Reaction Rate Calculator
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Analytical Chemistry

Dilution Factor Calculator

Calculate dilution factors and final concentrations for solution preparation in analytical chemistry

Try Calculator Dilution Factor Calculator

Calibration Curve Calculator

Create calibration curves and calculate unknown concentrations from standard solutions in analytical chemistry

Try Calculator Calibration Curve Calculator
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Solutions and Concentrations

Molarity Calculator

Calculate molarity, moles, and volume for solution concentration calculations

Try Calculator Molarity Calculator

Molality Calculator

Calculate molality, moles, and solvent mass for colligative properties and solution chemistry

Try Calculator Molality Calculator

Normality Calculator

Calculate normality and equivalent weight for acid-base and redox titration calculations

Try Calculator Normality Calculator
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Chemical Thermodynamics

Gibbs Free Energy Calculator

Calculate Gibbs free energy change, spontaneity, and equilibrium for chemical reactions

Try Calculator Gibbs Free Energy Calculator

Enthalpy Change Calculator

Calculate enthalpy change and heat of reaction using bond energies and thermochemical data

Try Calculator Enthalpy Change Calculator
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Electrochemistry

Cell Potential Calculator

Calculate standard cell potential and EMF for electrochemical cells and redox reactions

Try Calculator Cell Potential Calculator

Nernst Equation Calculator

Calculate cell potential under non-standard conditions using the Nernst equation for electrochemistry

Try Calculator Nernst Equation Calculator
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