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 one year ago
In the first order reaction A. products [A]= 0.826M initially and 0.634 M after 15.0 min. What will [A] be after 2.7 h? ( t1/2= 39.3 min)
 one year ago
In the first order reaction A. products [A]= 0.826M initially and 0.634 M after 15.0 min. What will [A] be after 2.7 h? ( t1/2= 39.3 min)

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aaronq
 one year ago
Best ResponseYou've already chosen the best response.1find the decay constant, k: \[t _{1/2}=\frac{ \ln2 }{ k }\] then use the exponential decay formula: \[A=A _{0}e ^{kt}\]

S
 one year ago
Best ResponseYou've already chosen the best response.0somehow this answer didn't work for me

aaronq
 one year ago
Best ResponseYou've already chosen the best response.1did you convert 2.7 hours to minutes?

S
 one year ago
Best ResponseYou've already chosen the best response.0Worked ! probably i did something wrong in calculations. Did you use the same formula ?
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