The Disappearing Cross Experiment is a classic chemistry practical used to study the rate of reaction between sodium thiosulfate and hydrochloric acid. In this experiment, the reaction produces sulfur, which makes the solution cloudy. By measuring the time taken for a cross mark below the flask to disappear, students can calculate and compare reaction rates. The reaction equation is: Sodium thiosulfate + Hydrochloric acid → Sodium chloride + Sulfur dioxide + Sulfur + Water.
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Disappearing Cross Experiment | Rate of Reaction Explained Chemistry #IBDPChemistry本站添加:
Yeah, yeah, yeah, yeah, leave that. It's good.
Yeah.
Now, let me see.
>> [music] >> 3 2 1 See the timer. Look at it like this.
Yeah.
Kris Jenner I died.
I just want to go after her. I think we should go and switch. It's fine. It's fine.
What?
Okay, okay, yeah.
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