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CGP EDU Academic Team
Published on: August 13, 2026
For the decomposition of phosphine according to the equation 4PH 3 → P 4 + 6H 2 , the temperature dependence of the reaction rate is as follows ; lnK = – 
+ 2 ln T + 25 What is the activation energy of the above reaction at 800 K in 
in nearest possible integers ? R = 2 cal K –1 mol –1
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