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Q. Scientific Notation and Dimensional Analysis?
Very small and extremely large numbers can be compared more easily when they are converted into a form called scientific notation. Scientific notation articulate numbers as a multiple of two factors that a number between 1 and 10 and ten raised to a power or exponent. The exponent tells you how lots of times the first factor must be multiplied by ten. When numbers bigger than 1 are expressed in scientific notation the power of ten is positive. When numbers lesser than 1 are expressed in scientific notation the power of ten is negative. For instance 2000 are written as 2 *103 in scientific notation and 0.002 is written as 2 * 10-3.
What is sublimation?
(a) Write the structural formula of 3-phenylprop-2-enal. (b) Write one chemical equation each to illustrate the following reactions: (i) Aldol condensation (ii) Cannizzaro
Fe3+ + e ------> Fe2+
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