ChemCollective Virtual Lab vs ChemLab

ChemCollective Virtual Lab is an online chemistry simulation that connects calculations with laboratory-style experiments. Students and educators can use its web activities without licensing requirements, including experiments with hundreds of standard aqueous reagents across acid-base chemistry, thermochemistry, solubility, and redox topics. Teaching resources include prepared lab problems, tutorials, courses, real-world scenarios, visualizations, simulations, and concept tests. Autograded activities randomize unknowns and check answers, with hints and feedback. Teachers can make free classroom pages that collect activity links, instructions, and handouts, and track attempts on autograded problems. Instructors may modify activities or request custom ones. Downloadable versions for Windows and Mac are available, though Java may be needed. The project aims to help high school and college students approach chemistry like practicing scientists. Its current scope is aqueous reactions. The Virtual Lab is free for educators and students; the site and its contents are licensed under Creative Commons Attribution 3.0 NonCommercial-NoDerivs.

ChemLab is an interactive chemistry lab simulation for high-school and college general chemistry. It pairs simulated experiments with a lab notebook for theory, procedures, and student observations. Pre-designed labs cover subjects including acid-base reactions, electrochemistry, equilibrium, gas laws, kinetics, redox, and stoichiometry, with additional simulations available from third parties. Animated experiments, plug-in lab extensions, and tools to record and replay demonstrations support instruction. Standard lets students run simulations; Professional adds Lab Wizard tools for instructors to run, edit, and create labs, plus an expandable chemical database. Professional users can capture a simulation, add comments, and save a distributable demonstration for Standard users to play back. The product lists RasMol integration and an integrated periodic table application with a quiz. It is described for distance learning, pre-lab work, demonstrations, and lab run-throughs, including experiments that are dangerous, environmentally hazardous, expensive, or lengthy. It is available in English, Spanish, French, and Italian. Single-user Standard licenses start at $33.99, paid once.