chemistry

compute rate=k[A]^m[B]^n, determine reaction order and rate constant by method of initial rates, solve integrated rate laws for zero/first/second order, and identify reaction order.

compute ΔTb=Kb×m×i and ΔTf=Kf×m×i for any solvent, find molar mass by cryoscopy, calculate van’t Hoff factor. Includes Kb/Kf tables for 10 solvents and van’t Hoff factor presets for common solutes

solve k=Ae^(−Ea/RT) for any variable, find Ea using the two-point Arrhenius method, perform linear regression on Arrhenius plot (ln k vs 1/T), and visualize the potential energy diagram.

solve N=N₀(½)^(t/t½) for any variable, calculate carbon-14 dating age, find decay constant λ, and reference half-lives for 25+ isotopes. Includes types of radioactive decay with nuclear equations.

write Kc/Kp expressions, solve ICE table problems, convert Kp to Kc using Kp=Kc(RT)^Δn, and compare Q to K to predict reaction direction. with color-coded ICE tables.

Solve mole ratio, limiting reagent, theoretical yield, percent yield, and gram-to-gram word problems for any balanced chemical equation

Find protons, neutrons, and electrons for any element or isotope. Includes electron configuration, ion calculator, isotope tool, and mini periodic table.

Calculate the exact monoisotopic mass of any molecule from its formula. Uses IUPAC 2021 atomic masses. Results match mass spectrometry M⁺ values.

Calculate buffer pH using Henderson-Hasselbalch: pH=pKa+log([A⁻]/[HA]). Find acid-to-base ratio for target pH, buffer capacity, and pH shift from added strong acid or base. pKa table for 20 buffer systems.

solve for Km, Vmax, velocity, and substrate concentration, generate Lineweaver-Burk plots from data, calculate kcat and catalytic efficiency, and model enzyme inhibition.