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problem- a sample of crude oil contains 309 mm naphthalene 130 mm methylnaphthalene 233 mm dimethylnaphthalene and 142
problem- reaction mechanism needed for reacting guanidine carbonate with 24-pentanedione using naoac to give the
problem- a particular reactant decomposes with a half-life of 163 s when its initial concentration is 0350 m the same
problem- how can ir nmr and mass spec be used to differentiate between starting material isopropyl acetate and the
problem- 150 moles of gas are in a 300l tank at 218c calculate the difference in pressure between methane and an ideal
problem- predict the organic products of the following reaction show stereochemistry clearly the r or s designation for
problem- a galvanic cell is constructed with a silver-silver chloride electrode and a nickel strip immersed in a beaker
problem- consider an electrochemical cell consisting of two vessels connected by a porous separator one vessel
problem- use the transition state theory to make an estimate of this rate constant for the reaction below use
problem- the gas phase reaction of a bromine molecule and a hydrogen atom occurs in a single step as a fundamental
problem- assume that your new temperature scale is based on ammonia nh3 on the celsius scale ammonia has a melting
problem- carbon-14 is radioactive and decays by beta decay with a half-life of 5730 years one gram of wood from a tree
problem- what is the hydronium ion concentration of a solution of 0260 m acid and 0640 m of its conjugate base if the
problem- a 00000650 m sample of compound x in a solvent has an absorbance of 0225 at 528 nm in a 1000-cm cuvet the
problem- a solution made by adding naclo to enough water to make 200 l of solution has a ph of 1025 calculate the
problem- vinegar is 50 solution by weight of acetic acid in water given that the ph for acetic acid is 241 the ka
problem- an open tubular column with a diameter of 207 m and a stationary phase thickness on the inner wall of 064 m
problem- two isotopic compounds are produced in the synthesis of a new therapeutic drug which must be separated by
problem- what mass of ammonium chloride should be added to 265 l of a 015m nh3 in order to obtain a buffer with a ph of
problem- 1 how many kilograms of sulfur dioxide a major source of acid rain are produced from the burning of the coal
problem- when hydrogen behaves as an ideal gas and its temperature increases from 250k to 550k its enthalpy increases
problem- a 600-ml sample of a sulfuric acid solution of unknown concentration is titrated with a 01513 m sodium
problem in 95s a fisherman wind 26m of fishing line onto a reel whose r is 3cm the line is being reeled at a constant
problem- if an 1100ml sample of unknown concentration of hf is titrated with 2496ml of 01150m naoh what is the
question the moon has a mass of 735 x 1022 kg and has a radius of 174 x 106 mpart a calculate the rotational kinetic