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What was the calculated ?H value obtained for the reaction NH3 + HCl –› NH4Cl using the thermodynamic data in your lab procedure? The thermodynamic data is: •?H°f for NH3 (aq) = -
Sketch the various n-butane and discuss their relative stabilities.Draw the potential energy curve as a function of torsion angles.
When an electron jumps from lower to higher orbit, its energy : (1) Increases (2) Decreases (3) Remains the same (4) None of these Ans: Increases
uses of DDT, Saccharin, BHC and Chloramine
working of calomel electrode
Q. Describe about Nuclei and Radioactive Decay? Dalton consideration that atoms were unchangeable. But scientists in the late nineteenth century began to notice that some eleme
Q. Describe Gibbs Free Energy and Spontaneity? Ans. This is the end of the quest to find spontaneity. Free Energy, or Gibbs Free Energy is a quantity which balances the r
Solubility - Physical charterstics of monocarboxylic acids The lower most members of the aliphatic carboxylic acid family (upto C 4 ) are extensively soluble in water.
Which category matches with Ca(OH)2? - a. It is a Lewis acid. - b. It is a diprotic Br0nsted acid. - c. It is a salt. d. It is an Arrhenius base.
Question 1: (i) What are the main physical properties of hydrogen sulphide? (ii) Which occupational group of workers is often exposed to hydrogen sulphide? (iii) O
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