Un-Answered Questions { Chemistry }

what is the difference between elctrefining and electrolysis?

1750


what is silicon chip

1620


what is the extinction coefficient for Indomethacin or at 319nm wave length.

3525


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?

5725


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)

2170


4 Identify the substance oxidized, reduced, oxidizing agent and reducing agent for the following reactions

2018


. 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)

6024


Write the each half cell reaction and also net cell reaction for a cell

2444


what is the syllabus for mahagenco recruitment drive for the post of chemist

2665


all types of questions asked at the cipla interview

4139


calibrtion procedue of LC-MS

2153


hi i am siva icompleted m,sc in organic chemistry in 2008&working as alecturer can u send me the interview qusetions with answers . i expected that i got 135 - 140 marks is there any chance to get selection my interview is on may 7th 2010

1659


mahagenco syllabus for the post of chemist

5746


Tell me something about Vitamin A test method by HPLC

2211


what is induction on electrical insulators

1856