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a hittorf cell fitted with Ag-AgClis filled with HCl solution that contains 0.0003856g HCl/g water. A current of 2 mA is passed for exactly 3 hours. the solutions are withdrawn, we
Q. What are the physical properties of solids? Ans. Most solids eventually melt when heated. This is because the particles gain enough energy to exceed the attractive for
freon preparation
assingment on glycogenolysis
What is basically Gibb''s free energy change? Ans) The energy associated with a chemical reaction that can be used to do work. The free energy of a system is the sum of its entha
how can be synthesise active methylene group contining compound
mention the basic tendency of an atom which makes it to combine with other atoms.
give exsample on how undesired wavelengths are blocked and desired one is trans mitted
Q. Quantum Mechanical Model of the Atom? Ans: Using quantum mechanics, scientists realized that the exact location of an electron could not be determined. Instead, only the p
Which of the following has more unpaired d-electrons: (1) Zn + (2) Fe 2+ (3) N 3+ (4) Cu + An
Pollution is the defined of contaminants into the natural environment which is caused adverse change. Pollution can be formed of chemical substances or say energy, such as noise, light or heat. Pollutants, the main components of pollution, may be either foreign substances/energies or of course occurring contaminants. Pollution is a lot classed as point source or non-point source pollution.
preparation off 4-pyridinecarboxaldehyde from posted date 1/12/2013 australia
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