WebA first-order reaction takes 69.3 min for 50% completion. What is the time needed for 80% of the reaction to get completed? (Given: log 5 = 0.6990, log 8 = 0.9030, log 2 = 0.3010) Advertisement Remove all ads Solution Half-life t 1 2 = 0.693 k k = 0.693 69.3 = 1 100 = 0.01 min –1 For first-order reaction k = 2.303 t log [ R o] [ R] Websince first order reaction Thanks 69.3 Maynard's or 50% completion. That is half of the initial reaction. 50% complete completion congregation. So this I am is half lives. That is be half is equal to 69.3 69.3 venice. So now He has is equal to for first order reaction three half that is half life is equal to 0.693 divided by K.
First-order - definition of first-order by The Free Dictionary
WebAug 2, 2024 · A first order reaction takes `69.3` minutes for `50%` completion. How much time will be needed for Doubtnut 2.46M subscribers Subscribe 5 407 views 2 years ago A first order … A first order reaction takes 69.3 minutes for 50% completion. How much time will be needed for 80% completion? Medium Solution Verified by Toppr t 1/2=69.3 min= Kln 2 K= 69.3ln 2min −1 For 80 % conversion, if we assume initial concentration to be a o, concentration left would be 5a o t× 69.3ln 2=ln(a o/5a o) t= ln 269.3 ln 5=161 min −1 the park church 1
(Get Answer) - 1. A first order reaction takes 69.3 minutes for 50% ...
WebSolution The correct option is A 230.3 minutes For a first order reaction, rate constant, k= 0.693 t1/2 = 0.693 69.3 = 0.01 min−1 k = 2.303 t log10 a a−x where, a= initial amount of … WebA first order reaction takes 69.3 min for 50% completion. What is the time of the reaction to get completed? (Given: log 5= 0.6990, log 8= 0.9030, log 2= 0.3010) Posted by Pratibha Marmat 1 month, 3 weeks ago CBSE > Class 12 > Chemistry 2 answers Na. Shakthi 1 … WebThe correct option is A 230.3 minutes. For a first order reaction, Rate constant, k= 0.693 t1/2 = 0.693 69.3 =0.01 min−1. k = 2.303 t log10 a a−x. where, a= initial amount of reactant. … the park christmas savings club