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Chemistry Forums for Students => High School Chemistry Forum => Topic started by: raccooncoup on March 26, 2020, 03:00:57 PM

Title: Kinetics: initial concentration and time
Post by: raccooncoup on March 26, 2020, 03:00:57 PM

https://imgur.com/FHQE5Ox

The answer is C but I don't know how to get there. I'm a struggling AP Chemistry student. Thank you

Title: Re: Kinetics: initial concentration and time
Post by: chenbeier on March 26, 2020, 03:48:28 PM

The half of Iodide double time. 39 got 78 sec. The quarter of persulfate gives 4 times.   What mean 39 got 156 sec. So if you half persulfate and also half iodide then what will be the extention of the time 78 sec.