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I need organic chemistry exams in pdf form Project Description: Hi, i need someone to get 100 unique organic chemistry exams from US universities and colleges. The needs f
54) Note: This problem is worth double credit.It is desired to concentrate a caustic soda solution from 12.5 to 40.0% in a double-effect evaporator. Feed solution at a flow rate of
Mixed melting point - Criteria of purity of organic compound The melting point of two carefully mixed substances is known as mixed melting point. This can as well be used for
clear scientific definition of exothermic and endothermic reactions
Effects of substituents on the acidity of phenols: Existence of electron attracting group, (for example -NO 2 , -X, - NR + 3 , -CN, -CHO, -COOH) on the benzene ring increases
Extension
Ernest Rutherford in 1909 conducted what is now a famous experiment where he bombarded gold foil with alpha particles (Helium nuclei). A source which undergoes for alpha decay is
Explain about Parke Process? Parke method for refining lead, which is also a concentration process for silver, relies upon the selective dissolution of silver in molten zinc.
#questiowhy HNO3 is not used for detection of acidic radical of 1st and 2nd group ions?n..
Why li 2 CO 3 decomposed at a lower temperature whereas Na2CO3 at higher temp?
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