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NEET Class neet Answered

Q 41
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Asked by manasvijha | 20 Mar, 2019, 06:06: PM
answered-by-expert Expert Answer
Given:
 
For  the  first  order reaction,
 
Rate  of  reaction= 1×10-5/ sec
 
Activation energy = 1800  kJ/mol
 
 
Arrhenius equation,
 
k equals Ae to the power of bevelled fraction numerator negative Ea over denominator RT end fraction end exponent

lnk equals lnA space minus space Ea over RT

lnA space space equals ln open parentheses 1 cross times 10 to the power of negative 5 end exponent close parentheses plus space fraction numerator 18 cross times 10 to the power of 5 over denominator 8.314 end fraction

straight A space equals space minus 11.61 plus 360.83

straight A space space equals 349.22 space
 
 
 
 
 
 
Answered by Varsha | 21 Mar, 2019, 02:30: PM
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