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obviously occurring element x exists in three isotopic forms x-28 27977 amu 9221 abundance x-29 28976 amu 470 abundance
the half -life of 14c is 5730 years a sample taken for radiocarbon dating was initiate to contain 56 percent of its
a packing crate measures 040m x 040m x 025m you must fill the crate with boxes of cookies that each measure 220cm x
explain what is the intact compound equation as well as the net ionic equation for the neutralization of aqueous
two substances are mixed together define how the observer could determine if this reaction is just a mixture or an
the reaction shown above has been determined to be first order with respect to n2o5 if 00250 moles of n2o5 are charged
if a sample of helium is collected by displacing 182 mlk of water the pressure of the gas as well as the atmosphere is
0015 grams mg was placed in a 153ml flask the flask was immersed in a water bath whose temp was 24 celsius when 5mls of
define why bubbling a solution with an inert gas such as argon or nitrogen causes deoxygenation of the
if this experiment was carried out precisely as directed in the procedure section by a student in australia for
n part 1 the solution of m2co3 hcl is transferred to volumetric flask and diluted to precisely 250ml explain why must
explain what volume of a 0550 m nh4i solution is needed to react with 759ml of a 0280 m pbno32
state the reaction equation for antifreeze poisoning and give its treatment reaction equations balanced when possible
if 520 g of hcl is added to enough distilled water to form 300 l of solution explain what is the molarity of the
solutions of silver nitrate as well as aluminum iodide are mixed together forming solid silver iodide as well as
explain what is the name of the sticky gelatinous precipitate that is formed in the primary treatment process as well
state mathematical equation that show how you will compute the detected activity from the count rate the sample
silver carbonate ag2co3 is a sparingly soluble solid explain a saturated solution prepared by placing solid silver
state the dieterici equation of state next find out internal pressure for the dieterici gas justify the form of the
explain which of the subsequent will cause the volume of an ideal gas to triple in valuea increasing the temperature
for the synthesis of an insoluble salt such as srcl2 and na2so4 to get srso4 explain what are some reasons why percent
depict the reaction products formed by the bromination of z-stilbene designate all product sterocenters accurately and
an air bubble initially trapped in the tip of the buret containing the standard naoh disappears during the titration
a 7629 gram sample of an organic compound containing c h and o is analyzed by combustion analysis and 1137 grams of co2
a 180-g sample of phenol c6h5oh was burn up in a bomb calorimeter whose total heat capacity is 1166 kjc the temperature