Account for the following with equations of the reactions involved: a) Gabriel phthalimide synthesis is preferred for preparation of primary amines. 1½ b) Explain why pKb of methanamine is 3.38 while that of aniline is 9.38 ?

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consider the figure of a single riveted lap joint as follows

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cyclic heat engine operates between. temperature of 30 C. What is the least rate of heat rejection per kW net output of an engine. source temperature of 800 C and sink

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