why athanol-water mixtuere have maximum viscocity in wt% 40?

1262

what is the difference between elctrefining and electrolysis?

1740

How to accelerate electron capture decay?

1845

What can be the supporter of combustion except oxygen.

2343

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?

5715

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]?

4504

. 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)

5999

How can be set a responds factor for evaluating a unknown impurity by HPLC

1921

Find out how to make artifacts the maxwell boltzmann theory of gases . ps. I don't speak English that well

990

what kind of question can be asked in interview for UV- VISIBLE & give me answer ?

3377

what is induction on electrical insulators

1846

Normally entropy is expressed as q/T. But, work and heat have same unit. Why can't it be replaced by work?

1774

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)

2155

what does 50 denote in dowex 50 ????

2093

What is the brigg's raucher reaction?

1835