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

1772

What can be the supporter of combustion except oxygen.

2339

what kind of question can be asked in interview for polarimeter related ?

4709

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]?

4502

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

989

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

3376

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??

2023

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?

5711

What is the requirement to give RFlow when using RID detector?

2585

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)

2151

what is the difference between elctrefining and electrolysis?

1737

Why does the experimental lattice enthalpy of NaI differ greatly from the theoretical lattice enthalpy?

2941

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

2431

what is allowable limit Of stray light for a spectrophotometer laboratory instruments ?

979

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

1916