Calculate the Reynold’s number for a liquid of density 1 g/cm3, viscosity 8 x 10-4 Pa.s flowing at 0.5 m/s through a pipe of diameter 4 cm?
Which of the following statement is true for aqueous solution of 0.1 M urea, 0.2 M glucose nad 0.3 M sucrose
The molar conductivities at infinite dilution for Na2SO4,K2S04,KCl, HCl and HCOONa at 300K are 260, 308, 150, 426, and 105 S cm2 mol-1, respectively. What will be A+m for formic acid in the same unit?
Electrophilic halogenation of phenol does not require catalyst because
Which of the following has the most acidic hydrogen?
The kinetic of the reaction 2N2O5 ⇾ 4 NO2 + O2 in liquid bromine medium was measured independently for the three different initial concentrations of N2O: 0.11,0.07 and 0.05 mol L-1 .The half - life of the reaction was found to be 4.5 hours for all these concentrations. The order of the reaction is
Calculate the value of ∫1 (tan-1x/1+x2) dx
Following reaction can produce three products. The order of their amount is
A precipitate is formed if the ionic product is __________?
20 persons are invited for a party. the number of ways in which they and the host can be seated at a circular table y two partocular person can be seated on either side og the host is qual to
Clemmensen reduction takes place in the presence of
Calculate the magnetic moment of a divalent ion in aqueous medium if its atomic number is 25
During the adsorption of gas on the surface of solid, which of the following is true?
Find the number of 5 letter words that can be formal from word pulse'PULSE' without repetition
A tower of 45 cm high costs a shadow of 12 cm, then the angle of elevation of the dun is
Amino acids generally exist in the form of Zwitter ions.
