This preview shows page 1. Sign up to view the full content.
Unformatted text preview: what is happening as you add CO2 to water : CO2 + H2O H2Co3 (carbonic acid) H+ +HCO-3. CO2mixes with water to form carbonic acid. This causes phenol red turn yellow. However as the plant fixes CO2 the carbonic acid concentration decreases and the color indicator returns to red. 5) Variable: Amount of light Control: no light Experiment Question: Would the rate of electron transfer different with different amount of light? Hypothesis: If the amount of light increased then the rate of electron transfer would increase....
View Full Document
- Spring '11