Answer Posted / biomaster
The atomic weights are in fractions because of the presence
of isotopes for a particular compound.
Is This Answer Correct ? | 12 Yes | 2 No |
Post New Answer View All Answers
Write the each half cell reaction and also net cell reaction for a cell
what kind of question can be asked in interview for polarimeter related ?
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.
a sample of gas occupies a volume of {450.0 ml}at {740 mm Hg}and[16C]determine the volume of this same sample at [760 mm Hg]and [37c]?
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)
WHAT IS THE SYLLABUS OO GROUP -I?
what is allowable limit Of stray light for a spectrophotometer laboratory instruments ?
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?
What is the requirement to give RFlow when using RID detector?
what are UV rays absorbs slightly?
. 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)
Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?
What can be the supporter of combustion except oxygen.
what does 50 denote in dowex 50 ????
How to accelerate electron capture decay?