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6CO₂ + 6H₂O —light, chlorophyll→ C₆H₁₂O₆ + 6O₂

Rate: 32 / 100 (relative)

O₂ bubbles
19 per minute (shown 4× faster)
Light at plant
222 µmol m⁻² s⁻¹
Limiting factor
light

Light is limiting: move the lamp closer and the rate goes up.

light intensity (µmol photons m⁻² s⁻¹) →rate →dashed: 1000 ppm CO₂solid: 420 ppm