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Inorganic Chemistry
We are given 50ml of 5L of HCl solutions if it is diluted and made five serial dilutions and then the most diluted sample (50ml) is titrated with 1m of NaOH solution. What volume will be required to neautralize the acidic solution??
Inorganic Chemistry
2.5 Use molecular orbital diagrams to determine the number of unpaired electrons in (i) HCℓ; and (ii) NH3
Inorganic Chemistry
Why was Niels Bohr’s atomic model superior to all the earlier models?
Inorganic Chemistry
The solution of a compound is spotted at distance 1.0cm from the base of a 20cm long chromatographic plate. Upon elution the solvent front got to a place 0.5cm from the top of the plate. If the compound moves three quarter way up the plate, the Rf value of the compound is
Inorganic Chemistry
air contains 1.3% argon by mass. calculate the mass of liquid air needed to obtain 750000tonnes of argon.
Inorganic Chemistry
The value of ∆G\deg for formation of Cr_(2)O_(3) is -540 kJmol^(-1) and that of Al_(2)O_(3) is -827 kJmol^(-1). Is the reduction of Cr_(2)O3 possible with Al ?
Inorganic Chemistry
Mercury is consists of 0.146% 197 Hg (195.96583 amu); 10.02% 198 Hg (197.9668 amu); 16.84% 199 Hg (198.9683 amu); 23.13% 200 Hg (199.9683 amu); 13.22% 201 Hg (200.9703 amu); 29.8% 202 Hg (201.97060 amu). Calculate the atomic weight of Hg.
Inorganic Chemistry
A second-order reaction has a rate
constant of 0.05 M-1 min-1. It takes...........
min for the reactant concentration to
decrease from 0.13 M to 0.088 M.
constant of 0.05 M-1 min-1. It takes...........
min for the reactant concentration to
decrease from 0.13 M to 0.088 M.
Inorganic Chemistry
Which of the following alcohols can be prepared by the reaction of 2-pentanone with methyl magnesium bromide followed by acidic hydrolysis?
2 points
2-pentanol
2-methyl-1-pentanol
2-methyl-2-pentanol
2,2-dimethyl-2-pentanol
Inorganic Chemistry
Platinum has a density of 21.4 g/cubic centimeters. 900 pounds are stolen. How many 1 liter bars of platinum could they take?
