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problem- to produce the same energy it takes 16 times more coal by volume than oil how many gallons od oil will give
problem- how much energy is required to heat 20 ml of water from room temp 20 cto 40 c and also how much energy is
problem- ammonium hydrogen sulfide dissociates into ammonia and h2s if solid nh4hs is placed in an evacuated flask at a
problem- in the reaction of carbon monoxide and water to form carbon dioxide and hydrogen at 986 c is entirely in the
problem- consider the ion dichlorodiethylenediaminecobalt i what is the hybridization of the co are any of the possible
problem- how many geometrical isomers could rhpy3cl3 have note py is the abbreviation for the pyridine ligand draw them
problem- a solution contains 10x10-3 m cd2 and fe2 ions that has a ph of 170 if the solution is saturated with h2s will
problem- when a malonic ester synthesis is performed using excess base and 14-dibromobutane as the alkyl halide an
problem- a sample of galliumiii sulfite ga2so33 contains 195 mol of sulfite ions the number of moles of galliumiii ions
problem- a graph of natural log of counts per minute vs elapsed time in minutes for a radioactive sample produced a
problem- write the oxidation half-reaction the reduction half-reaction and the balanced overall retain for fe-mnany
problem- at room temperature the surface tension of water is 720 mj m-2 what is the energy required to change a
problem- the carbon 14 activity in a papyrus growing along the nile river today is 231 decay events per kilogram of
problem- an ionic compound formed when lithium z3 reacts with oxygen z8 if a sample of the compound contains 6851020
problem- a solid aluminum sphere has a mass of 86g use the density of aluminum to find the radius of the sphere in
problem- a 500 ml aliquot of 0100 m diprotic acid h2a pka1 432 pka2 864 was titrated with 050 m naoh find the ph at
problem- consider the titration of 1000 ml of 00200 m acetic acid pka 476 with 0100 m naoh determine the ph at the
problem- calculate the ph for the titration of 350 ml of 0100 m koh with 0100 m hbr after adding each of the following
problem- what partial pressure of oxygen above the water in atmospheres at 0 c is needed to obtain this concentration
problem- the use of the name metallocene to describe complexes with the general formula c5h52m is derived from the word
problem- calculate the equilibrium concentrations of h3c6h5o7 h2c6h5o7-hc6h5o7 2- c6h5o7 3- in a 5 m h3c6h5o7 solution
problem- assume the ideal law gas constant r and the kelvin scale 273 temp in celsius had not been discovered you know
problem- how many liters of o2 at 298k and 100 bar are produced in 200 hr in an electrolytic cell operating at a
problem- why is there an octet rule in writing lewis structures why is attaining an octet of electrons important for
problem- describe clearly using the correct terminologies a simple visual test to distinguish an acid from a base