1
Pick a Reaction Preset
Choose from 8 famous chemical reactions below.
2
Click "Mix & React!" & Adjust Sliders
Change temperature, crowding, or add a catalyst.
3
Balance the Atoms on the Right
Use โฒ/โผ or Auto-Balance so left & right atoms match!
Interactive Virtual Chemistry Bench
Choose a Chemical Reaction to Simulate
Watch molecules collide in real time, see heat or crystals form, and balance the chemical equation.
Synthesis
Releases Heat (Exothermic)
Combustion of Hydrogen (Rocket Fuel & Water Formation)
Chamber Status
Ready โ Reactants Loaded
Temperature:
25ยฐC (298 K)
Collisions/sec:
14
Product Converted:
0%
๐ก What You See: Colorless Hydrogen (Hโ) and Oxygen (Oโ) gases bouncing around.
Releases 483.6 kJ/mol of Heat
25ยฐC
Higher temperature makes molecules move & collide faster
2x Normal
Higher concentration packs more molecules into the chamber
โก Catalyst Helper
Lowers the starting energy hill so molecules react much faster.
Plain-English & Advanced Breakdown
Switch level at top right anytime
๐ฑ Easy Explanation (How It Works in Plain English)
๐ฌ Advanced Chemistry (Bond Energy, Mechanism & Kinetics)
Visual Atom Scale โข Conservation of Mass
Balance the Chemical Equation
In a chemical reaction, atoms are never created or destroyedโthey only rearrange! Click the โฒ / โผ buttons to change how many molecules you use until the Left Atoms equal the Right Atoms.
Starting Atoms (Left Side)
Element
Ending Atoms (Right Side)
Energy Hill Diagram
Starting Hill: 75 kJ/mol
Starting Energy Hill & Heat Change
Before molecules can react, they must climb the Starting Energy Hill (Activation Energy). Turn ON the Catalyst Helper to lower the green dashed hill!