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chemistry solved p5

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thank so much~~`!!! i really appreciate your help~~ do you have other solved p5 questions???????
 
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alevel4a said:
thank so much~~`!!! i really appreciate your help~~ do you have other solved p5 questions???????
Ill check if I have any more , Ill upload them too!
 
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princesszahra said:
alevel4a said:
thank so much~~`!!! i really appreciate your help~~ do you have other solved p5 questions???????
Ill check if I have any more , Ill upload them too!


thank u again~~ i am really afraid as the exam is coming soon/`~
 
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Cant we just do it like,"stating different concentrations of persulfate to be used and the dilutions done by distill water and while the rest of quantities be kept constant as in the above experiment"
 
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Go ahead and download!
Salam,
Best Attempt, but only two little things i think u left, in the first 2 scanned copies(Hc one) talking specifically
a) stirr the solution with thermometer and measure the 10`C temperature rise also initially measure the water temperature
b) in processing results show the use of equation q=mc4T

just a help, hope it helps
 
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I need help me oct november 2007 paper 5 part g, like why did they divide Q=mcT / moles? Somebody help?
 
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