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15 cards from this deck
H2O2→H2O+12O2H_2O_2 \to H_2O + \frac{1}{2}O_2H2O2→H2O+21O2
Speeds up reaction without being consumed
Manganese dioxide (MnO2MnO_2MnO2)
Water displacement
Oxygen (O2O_2O2)
From the bottom at eye level
Initial rapid, slowing, completion
Total volume (cm³) ÷ total time (min)
Faster reaction rate
Increases rate (more surface area)
Sustains faster rates for longer
H₂O₂ consumed, concentration decreases
Start timing immediately when catalyst added
All H₂O₂ decomposed, no more gas produced
Conical flask, delivery tube, graduated cylinder
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