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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)
25514 Identify the substance oxidized, reduced, oxidizing agent and reducing agent for the following reactions
2432. 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)
6582Balance 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 9385if water is mixed with mercury what causes with thier suspension property is it increses,decrease or average?
2636Post New Physical Chemistry Questions
Write the each half cell reaction and also net cell reaction for a cell
what is induction on electrical insulators
what does 50 denote in dowex 50 ????
Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?
what kind of question can be asked in interview for polarimeter related ?
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?
4 Identify the substance oxidized, reduced, oxidizing agent and reducing agent for the following reactions
How can be set a responds factor for evaluating a unknown impurity by HPLC
WHAT IS THE SYLLABUS OO GROUP -I?
The use of vermilion on rubric of the Tartar Relation is confirmed by the presence of three lines attributed to HgS. Why should this diatomic have more than one vibrational line?
. 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)
what is allowable limit Of stray light for a spectrophotometer laboratory instruments ?
why athanol-water mixtuere have maximum viscocity in wt% 40?
Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?
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.
