.Nalorphene '(C_14 H_2 NO_3),' similar to morphine, is used to combat withdrawal symptoms in narcotic users. Dose of nalorphene generally given is '1.5 mg'. Calculate the mass of '1.5-10^-3 m' aqueous solution required for the above dose

The uncertainty in the position and velocity of a particle are 10^-2 m and 5.27xx10^-24 ms^-1 ) Calculate mass of the particle. (h=6.626xx10^-34 kg m^2 s^-1)

Calculate the mass of oxalic acid dihydrate (H_2C_2O_4.2H_2O) required to prepare 0.1M, 250 ml of its aqueous solution.

Calculate ofhe amount of benzoic acid '(C6H5 COOH)' required for preparing '250 ml' of'0.15 M' solution in methanol. -

Given that, for the reaction H^(+)(aq)+OH*(aq)H_(2)O(I) , , energy released is 57.1 kJ. Three reactions are given as follows 1 0.25 mole of HCI in solution is neutralized by 0.25 mole of NaOH, heat released is DeltaH_(1) . 2. 0.5 mole of HNO_(3) in solution is mixed with 0.2 mole of KOH solution , heat released is DeltaH_(2) . (3) 200cm^(3) of 0.2 M HCI solution is mixed with 300 cm^(3) of 0.1 M NaOH solution heat released is DeltaH_(3) . The correct order for the numerical value of DeltaH_(1),DeltaH_(2),DeltaH_(3) would be

Given the numbers 1,2,3,4,5. How many 5 digit numbers without repetition of digits can be formed by using the above 5 digits?

Nernst equation describes the variation of electrode potential with concentration and temperature. Write cell reaction, overall reaction and calculate e.m.f at 25C^0 for the cell. Also write Nernst equation for the cell potential. Mg//Mg_(10^(-3)M)^(2+)// Ag_(0.1M)^(+) // Ag Given E_(Mg^(2+)//Mg)^0 = 2.37V E _(Ag^+//Mg)^0=0.8V .