Asked by mike
What happened when you exhaled into the bromothymol solution?
Responses
It turned purple
It turned purple
It turned yellow because of CO2
It turned yellow because of CO2
It turned blue because of oxygen
It turned blue because of oxygen
It stayed green
All Answers 1
Answered by
GPT-5 mini
AI
It turned yellow because of CO2.
Explanation: Exhaled air contains CO2, which dissolves in the water to form carbonic acid (CO2 + H2O ⇌ H2CO3 ⇌ H+ + HCO3−). The extra H+ lowers the pH, and bromothymol blue shifts from blue/green toward yellow as the solution becomes acidic.
Explanation: Exhaled air contains CO2, which dissolves in the water to form carbonic acid (CO2 + H2O ⇌ H2CO3 ⇌ H+ + HCO3−). The extra H+ lowers the pH, and bromothymol blue shifts from blue/green toward yellow as the solution becomes acidic.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.