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Explain using examples how electronic factors (resonance and inductive effects) can be
used to determine acidity and basicity of organic compounds.
Using Henderson hasselbalch equation determine concentration of acid and conjugate base in 0.1M phosphate at ph 6.24
1. In the form of table , select from the the following species acids - base conjugate -pairs indicating which is the acid and which is the base.
H2, O2- ,HPO42- ,NH3,OH -,H2O, H2PO4-,H-,NH4+
2. (a). Arrange the following hydrated cations in orderby of increasing strength as Bronsted - Lowry acids and account for your sequence .
[Na(H2O)x ]+, [Al(H2O)x]3+, [Mg(H2O)x]2+
(b) Which of the under-listed acids is stronger and why ?
(I) CH2ClCOOH and (II) CH2COOH
Determine the volume occupied by 2.5 mol of a gas at 18 degrees if the pressure is at 81.8 kPa
A 5L flask at 25 degrees contains 0.2 mol of Cl2. What is the pressure in the flask?
If 4.9g of nitrogen gas is placed in a 2 L container at 31 degrees, what is the pressure in the container?
What do you notice about the distribution of the electrons?
An empty aerosol-spray can at room temperature (20 ◦C) is thrown into an incinerator where the temperature reaches 452◦C. If the gas inside the empty container was initially at a pressure of 1 atm, what pressure did it reach inside the incinerator?
Titanium is a transition metal used in many alloys because it is extremely strong and lightweight. Titanium tetrachloride (TiCl4) is extracted from titanium oxide (TiO2) using chlorine and coke (carbon). what mass of C is needed to react with 1.25 mol of Tio2?
Calculate the molality of a solution prepared from 15.25 g of NaCl in 1.50 kg of water.
#340153 on Dec 2023