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Question:
a) List, with appropriate justifications, the most significant design parameters while constructing a landfill
b) Draw the pattern of gas generation in a typical landfill and indicate the different phases.
c) Using the Landgem model of Q =∑ 2KMLoe-kt where Q yearly methane generation rate at time t after solid waste placement in m3 per yr M Solid waste placed t years before present in landfill
k First order rate constant in yr-1
Lo Potential methane generation capacity of the msw in m3 per ton
t Time since start of gas generation
Determine the peak gas production during the first year for a landfill receiving 167000 tons per year. The landfill gas constant is 0.0307 yr-1 and the methane generation potential is 140 m3/tonne.
The ratio between kinetic energy and the total energy of the electrons of hydrogen atom according to Bohr's model is: (1) 2 : 1 (2)1 : 1 (3)1 : - 1 (4)
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Calculate the free energy change of following reaction at298 kelvin H2+I2=2HI if the enthalpy change is 51.8816kj and the entropy change is 166.15j is this reaction thermodyanamica
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The energy of an electron in the first Bohr orbit of H atom is-13.6eV . The possible energy value(s) of the excited state(s) for electrons in Bohr orbits to hydrogen is(are):
#questionproperties of p block elements ..
metal A was determined to be 95%extracted into methylene chloride with dethizone at pH6, when equal volumes of aqueous and non-aqueous solvents were used. what is the distribution
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0.45 g of anhydrous oxalic acid is reacted with 50 ml of KMNO4 . Then normality of KMnO4 is??
Q. Analytical tests for fats and oils? The analytical tests used in fats and oils are to: • determine the nature of fat or oil or the blends to see whether it is of the typ
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