Interactive simulations for Structure and Reactivity
Interactive energy distribution curves β drag temperature and catalyst lines.
Balmer series mapping β observe emission lines through a virtual spectroscope.
Spray unknown chlorides into a flame β identify metals by emission color.
Separate isotopes by m/z ratio and calculate relative atomic mass.
Graph successive IEs to visually deduce electron shells and group numbers.
Beer-Lambert law calibration curve β concentration vs absorbance plotting.
Empirical formula β crucible lid lifting timing to prevent mass loss.
CuSOβΒ·5HβO β heat control to prevent decomposition to CuO.
Syringe piston β adjusting atmospheric pressure and temperature.
Compare two synthetic routes β maximize yield, minimize waste.
CHβ, NHβ, HβO β snap atoms, enforce lone-pair compression.
COβ, Oβ β delocalization visualizations and formal charge matching.
PClβ , SFβ, XeFβ β toggle d-orbital participant visualization.
HCl + NaOH neutralization & dissolution in a coffee-cup calorimeter.
Spirit burner β measure enthalpy of combustion of alcohols.
Three-step enthalpy cycle verification using coffee-cup calorimetry.
Compare measured ΞH vs theoretical IB Data Booklet bond enthalpy sums.
Interactive drag-and-drop energy level diagram builder.
Thiosulfate + HCl β visual opacity measurement and rate calculation.
Initial rates method via tangent drawing on a noisy volume/time graph.
Colorless to black sudden changes based on integrated rate math.
Method of initial rates β matrix logic puzzle varying [A] and [B].
Temperature bath β plot ln(k) vs 1/T to find activation energy.
Indirect analysis of insoluble carbonates.
Drop-by-drop titration with pH curves and indicator color changes.
Identify buffer regions on generated pH curves.
Swap pH probe for conductivity meter β V-shaped equivalence graphs.
Stepped pH curves for polyprotic acids like phosphoric acid.
Find half-equivalence point on the curve to deduce Ka.
Bombard a buffer with HCl/NaOH until it breaks.
Drag-and-drop metal strips into solutions to observe displacement.
Standard cell assembly β must include a salt bridge to close the circuit.
Zn + CuSOβ powder addition β temperature change measurement.
Hofmann apparatus gas collection β predicting selective discharge.
Mass deposited dynamically changes electrode graphic.