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What are ortho and para forms of hydrogen? Discuss the effect of temperature on ortho and para hydrogens? What is the difference between intramolecular and intermolecular hydrogen bonding? Describe wi
Explain Faraday’s laws of electrolysis. Describe Stark – Einstein Law of photochemical equivalence.
What is the difference between macrominerals and trace elements? Write the major functions of any four trace elements? How is the standard free energy for chemical reactions different form the standar
Explain the origin of Stokes, Anti-Stokes and Rayleigh lines according to quantum theory of Raman spectrum. Discuss Born oppenheimer approximation.
Draw the accepted method for each reaction and describe how each stereoisomer is formed in the reaction. For the reaction, that yields product B, predict the peaks in the IR and NMR spectra of the s
Explain regarding the presence of phosphorous in waste water and its removal.
What are the anthropogenic pollutants? What is the basic difference between primary and secondary pollutants? Give illustrations of each.
How is Standard Hydrogen Electrode (SHE) constructed? Why is usually SHE chosen as primary reference? Write its limitation when it is employed as primary reference electrode.
What is the importance of Munsell notation in characterizing a soil profile? Describe the notations shown below.
Compute the radius of the second and third orbits in He+ ion. As well compute the energy of the electron in the second and third orbits of He+ ion.
The problem is how the specific equation should be derived by using boundary condition. It consists of the final equation (which is based on Langmuir isotherm) and the boundary condition is as well
Calculate expected sea level rise for all possible combinations of temperature increase and volume affected. Base your calculations on the following information and assumptions.
What is glass transition temperature?Discuss the following factors affecting GTT i) Flexibility ii) Intermolecular forces.
Ethanol is frequently used as a fuel additive, but to function in most engines, the ethanol should be very pure and contain little water.
What are the Mark-Houwink parameters for polymer? Discuss the applicability of the Mark-Houwink model to polymer?
Based on their ground state electron configurations alone, rank these molecule in order of bond length from smallest to greatest
Supposing that any amount of strong acid or base that can be added will not dilute the stock solution by much, what guidance can you give him. All that you want to achieve is the pH 7.20.
Using the Clausius Clapeyron equation, compute the heat of vaporization of water at 100oC (it is roughly constant with T, but not quite), given the data below. Show your linear fit (e.g., from
Calculate the concentration of ethanol (in weight % and in g/cm3) when the tank is full. Additional data: The density of ethanol/water solutions is given by the empirical equation.
What characteristics of amino acid structure are engaged in and stabilisation of beta-sheets in proteins.
The stabilization energy of a bond or inter-atomic interaction is altering in energy upon breakage of a bond between two atoms (that is, the change in energy when the atoms are moved from each other
When sodium hydroxide is reacted with propionic acid the standard enthalpy change of reaction (ΔH2o)can also be determined:
Assume that the potential energy of the well is 1.5 times of the initial kinetic energy of the electron, calculate the probability of the electron penetrating the potential barrier.
Calculate the molarity, molality and mole fraction of this H2SO4 solution.
For your chosen examples you should make cases for the corrosion process being (1) dissimilar corrosion and (2) selective attack.