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problem- a solution is prepared by mixing 500ml of 010m naocl and 500ml of 020m hocl what is the ph of the
problem- consider the complete combustion of 1000 g of liquid heptane c8h18 in excess oxygena what volume of carbon
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problem- note the electronic structure of cadmium ii and indicate the group type a borderline or type b in which it
problem- what is the concentration of a solution with an extinction coefficient of 253 m-1cm-1at 450 nm if it has an
problem- a benzil reacts with 1 2 diaminobenzene to give a compound with molecular formula c20h14n2 suggest a structure
problem- look up the structure of the following pesticides and show how they could interact with generic humic material
problem- salicylic acid is both a phenol and a carboxylic acid1 explain why acetylation with acetic anhydride occurs at
problem- the preparation of aspirin is an example of a nucleophilic acyl substitution reaction of the nucleophilic
problem- water from a lake in an area with limestone bedrock has a chemical composition as follows- calcium 95 mg l-1
problem- you work in a small-scale manufacturing facility that uses acetophenone as the starting material for a
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problem- silicon and germanium are both semiconducting elements from group 14 in the periodic table and both can be
problem- for an adventurous climber scaling mt aggie which of the following is state functions enter the letters
problem- calculate the resolution for a 11155 kev zn peak that has a fwhm of 201 kev1 calculate the resolution for a
problem- an aliquot of a solution containing a pure beta particle emitter is counted in a liquid- scintillation counter
problem- in a typical liquid scintillator six photons are produced for every thousand electron volts deposited if such
problem- formula h2o mass in grams 76 molar mass 18gmol moles 42 mol1 what are the mole and how many atoms in the