why the atomic weights are in fractions?1 4026
Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?2024
Give an expression for Ka for ethanoic acid?3 14302
what is enthalpy of hydration?2 4541
How do you measure order of reaction?2 3275
What happens to the solubility of group II Sulphates as you go down the group?3 8170
If the H were a classic particle what would be the tunneling probability?1 2231
what is an Amphipathic protein?3 13620
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?1225
What is emf and how is it used to arrange Metals in Reactivity Series?3 9424
How much is the molar extinction coefficient of methylene blue at wavelenght 664 nm? Are molar extinction coefficient depend on concentration of solution?3 17588
what is induction on electrical insulators
What is the requirement to give RFlow when using RID detector?
what does 50 denote in dowex 50 ????
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??
How can be set a responds factor for evaluating a unknown impurity by HPLC
4 Identify the substance oxidized, reduced, oxidizing agent and reducing agent for the following reactions
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?
what is the difference between elctrefining and electrolysis?
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 UV- VISIBLE & give me answer ?
. 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 are UV rays absorbs slightly?
What can be the supporter of combustion except oxygen.
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)