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The rate constant for the second order reaction is 0.54/M.s at 300oC. How long (in sec) would it take for the concentration of NO2 to decrease from 0.62M to 0.28 M? 2NO2(g) 2 NO(g) + O2(g)
25974 Identify the substance oxidized, reduced, oxidizing agent and reducing agent for the following reactions
2486. Given that 2Hg2+ (aq) + 2 e- Hg22+(aq) E0 =0.92V Hg22+ (aq) + 2 e- 2Hg(l) E0 =0.85V Calculate standard free energy change and K for the following process at 25oC Hg22+(aq) Hg2+ (aq) + Hg(l)
6644Balance the following redox equations by ion electron method. In basic medium (i) CN- + MnO4- CNO- + MnO2 In Acidic medium (ii) ClO3- + Cl- Cl2 + ClO2
1 9497if water is mixed with mercury what causes with thier suspension property is it increses,decrease or average?
2687Post New Physical Chemistry Questions
What is the requirement to give RFlow when using RID detector?
. Given that 2Hg2+ (aq) + 2 e- Hg22+(aq) E0 =0.92V Hg22+ (aq) + 2 e- 2Hg(l) E0 =0.85V Calculate standard free energy change and K for the following process at 25oC Hg22+(aq) Hg2+ (aq) + Hg(l)
How can be set a responds factor for evaluating a unknown impurity by HPLC
During Soundness testing of Cement by Lechatelier method the Cement mould expands about 20 mm when merged in curing water for 24 hours after mould preparation.In that Cement MgO content is about 3.0%,SO3 is about 2.6% & Blaine is about 360 M2/Kg.Guess the reason & suggest solution.
why athanol-water mixtuere have maximum viscocity in wt% 40?
Sr-90, a radioactive isotope, is a major product of an atomic bomb explosion. It has a half life of 28.1 year. Calculate the first order rate constant for this nuclear decay and the fraction of 90Sr that remains after 10 half lives?
How to accelerate electron capture decay?
WHAT IS THE SYLLABUS OO GROUP -I?
Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?
what kind of question can be asked in interview for UV- VISIBLE & give me answer ?
In testing of Cement the formula for water requirement for setting time is as below- Water required for setting time = NC x 0.85 The question is that what is the logic of 0.85 in this formula??
what are UV rays absorbs slightly?
what is allowable limit Of stray light for a spectrophotometer laboratory instruments ?
What can be the supporter of combustion except oxygen.
what is the difference between elctrefining and electrolysis?
