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question- a cube of copper has a volume of 354cm31 whats is the mass of the copper cube given density of copper
question- part 1 calculate the ph of the aqueous solution resulting from the addition of 2200 ml of 009550 m naoh and
question- 1 calculate the ph of the resulting solution with 1000 ml of 1500 m hcl is added to 1000 ml of an aqueous
question- you needs to produce a buffer solution that has a ph of 526 you already have a solution that contains 10 mmol
question- a solution containing potassium bromide is mixed with one containing lead acetate to form a solution that is
question- if the lake contains 12 x 10 7 liters of water what is the concentration of arsenic in the lake expressed as
problem- milk of magnesia is often taken to reduce the discomfort associated with acid stomach or heartburn the
problem- the corona of the sun emits a spectral line at about 677 m due to the presence of an ionized 57fe atom molar
problem- morphine has the formula c17h19no3 it is a base and accepts one proton per molecule it is isolated from an
problem- in both reaction a and reaction b the dissolved hygrogen chloride in the hydrochloric acid solution is part of
problem- a student starts with 2g of isopentyl alchol mw 88 and 11ml of glacial acetic acid molecular weight 60
problem- the typical energy differences for transitions in the microwave ir and electronic spectroscopies are 5x10-22 j
problem- glyceraldehyde-3-phosphate dehydrogenase is a tetramer of four identical subunits and its substrate nad binds
solve the following question given belowproblem- the names of the scientists newlands mendeleev and meyer are
problem- a decide which is more stable an aryldiazonium cation or a cyclohexyldiazonium cation use resonance structures
problem- in preparing your soap you dissolved 125g of sodium hydroxide in 320ml of de-ionized water your product was a
problem- the endpoint of your titration occurs after you add 1326ml of 05643 m naoh the linear regression line for your
problem- the ka of hf is 63x10-4 suppose you prepare a solution by dissolving 104 g of naf in 509ml of 051m hf assuming
problem- compute the total number of possible decapeptides that could be synthesized from the 20 standard amino acids
problem- the ionization energy for lithium is 520 kjmol the electron affinity for fluorine is -328 kjmol use these
problem- 1 if the object is closer to the lens than the focal point the object appears to be larger with a
problem- a 3500 ml solution of 02500 m hf is titrated with a standardized 01152 m solution of naoh at 25 c1 what is the
problem- you titrate 150ml of an unknown acid using 01733m naoh you monitor the titration using the lab quest equipment
problem- at an elevated temperature the equilibrium constant kc for the following reaction is 54 h2g i2g 2 hig1 if the
problem- calculate the ph of a solution prepared by dissolving 0270 mol of formic acid hco2h and 0230 mol of sodium