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problem- an aqueous solution containing 535 g of an optically pure compound was diluted to 7000ml with water and placed
question- you titrated 1740 g of a solid unknown acid that was dissolved in 1000 ml of distilled water the initial ph
problem- draw all stereoisomers for 2 4 dimbromo-2 4-dimethylpentane using the fisher projections for each of the
question- detailed calculations show that the value of zeff for the outermost electrons in si and cl atoms is 429 and
problem- a 2500 ml sample of naoh is titrated with 2614 ml of 1759 m hcl1 what is the molarity of the nacl solutioni
question- enough of a monoprotic acid is dissolved in water to produce a 00180 m solution the ph of the resulting
question- nh3 is a weak base kb 18x10-5 and so the salt nh4cl acts as a weak acid1 what is the ph of a solution that
question- enough of a monoprotic acid is dissolved in water to produce a 00103 m the ph of the resulting solution is
problem- an aqueous solution containing 659 g of an optically pure compound was diluted to 3000 ml with water and
question- a certain weak base has a kb of 84010-71 what concentration of the base will produce a ph of 1032provide
problem- predict the product or products formed by potassium tert-butoxidekocch33 promoted dehydrohalogenation of the
question- a 0140-mole quantity of nicl2 is added to a liter of 120 m nh3 solution1 what is the concentration of ni2
problem- nitrogen and hydrogen react in the haber process to form ammonia all substances are in the gas phase if 0461
question- a syringe contains 065 moles of he gas that occupy 7500ml1 what volume in l of gas will the syringe hold if
problem- give several examples of aldehydes or ketones that could be used in a crossed aldol condensation with propanal
question- part-1 write a balanced equation for the coupling reaction of bromobenzene on the metal surface to form
problem- calculate the standard free energy change for the reduction of pyruvate by nadh is this reaction spontaneous
question- the dissociation constants of ascorbic acid are pka141 pka2117 write out the main structures of ascorbic acid
problem- explain why the sum of all bond angles for ch3x are 450 degress if the bond pair repulsions are maximum in
question- write down a recipe for the preparation of 2500ml buffer solution required for a biological research to have
problem- how would you prepare a solution that is 10 x 10-9 m h30 can it be done by starting with a solutions that is
question- the probability that an isolated hcn molecule is in the j9 rotational level at 250 k is 0075 you have 025 atm
problem- calculate the energy of a benzene c6h6 molecule in the nxnynz 5712 translational energy level in a 1ml
question- part1- briefly explain how you would prepare 5000ml of a 02500 m solution of chromium iii ions using solid
problem- a gas of unknown molecular weight is found to diffuse at a rate of 019 cms compared to 059 cms for helium gas1