Chemistry Tools

Advanced molecular weight calculator with complex formula parsing.

Balance complex chemical equations and identify reaction types.

Convert between grams, moles, and particles for any chemical reaction.

Solve for P, V, n, or T using the Ideal Gas Law (PV=nRT).

Calculate concentration, volume, and solute mass for solutions.

Quickly calculate final concentrations using M1V1 = M2V2.

Calculate pH, pOH, and ion concentrations for acids and bases.

Calculate the pH of buffer solutions with specific pKa values.

Calculate ΔH using bond energies or heats of formation.

Predict reaction spontaneity using ΔG = ΔH - TΔS.

Calculate heat transfer, mass, or temperature changes.

Determine reaction orders and rate constants from data.

Calculate activation energy (Ea) and temperature effects.

Solve for equilibrium concentrations or constants.

Calculate molar solubility and precipitate formation.

Calculate cell potential under non-standard conditions.

Calculate mass deposited during electrolysis.

Track radioactive decay and remaining isotope mass.

Predict molecular geometry based on steric numbers.

Calculate formal charges to find the best Lewis structure.

Predict bond types based on Pauling electronegativity.

Convert percentage composition to empirical formulas.

Calculate the percent by mass of each element in a formula.

Identify the limiting reactant and calculate percent yield.

Calculate absorbance, molar absorptivity, or concentration.

Calculate boiling point changes for non-volatile solutes.

Calculate freezing point changes for solutions.

Solve for Density, Mass, or Volume with precision units.

Professional kelvin, celsius, and rankine conversions.

Fast weight lookup for thousand of chemical names.