Water Electrolysis: Splitting H2O into Hydrogen and Oxygen Gas
Overview
Demonstrates electrolysis and gas collection. Teaches stoichiometry with 2:1 hydrogen to oxygen ratio.
Why Do This Experiment?
This experiment teaches key concepts in Chemistry.
Materials Needed
- •Power supply(1)
- •platinum or carbon electrodes(1)
- •dilute sulfuric acid(1)
- •test tubes(1)
Step-by-Step Instructions
- 1
1. Prepare electrolyte solution
- 2
2. Set up electrodes and gas collection
- 3
3. Apply electric current
- 4
4. Collect and test hydrogen and oxygen gases
The Science Behind It
Demonstrates electrolysis and gas collection. Teaches stoichiometry with 2:1 hydrogen to oxygen ratio.
Learning Outcomes
- ✓Understand basic chemistry concepts
- ✓Develop observation skills
- ✓Learn through hands-on experimentation
Related Experiments
You might also enjoy these experiments
Walking Water Experiment: Amazing Capillary Action for Kids
Demonstrates capillary action and absorption. Shows how plants transport water and introduces color mixing.
Fizzy Colors Science: Baking Soda and Vinegar Reaction for Preschool
Introduces acid-base reactions and gas production (CO2). Visual and tactile learning about chemical reactions.
Homemade Slime Recipe: Easy Polymer Science Experiment for Kids
Introduces polymer chemistry and cross-linking. Shows how liquid becomes solid through molecular bonding.
Density Tower Experiment: Rainbow Liquid Layers Science for Kids
Teaches density and why liquids separate. Demonstrates that different substances have different densities and don't mix.
Crystal Growing Experiment: Make Rock Candy Sugar Crystals at Home
Teaches crystallization and supersaturation. Shows how molecules arrange in regular patterns over time.
Mentos and Diet Coke Experiment: Epic Geyser Eruption Science
Demonstrates nucleation and rapid gas release. Steve Spangler's viral experiment showing pressure and CO2.