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one mole of an ideal gas with a volume of 13 l and a pressure of 69 atm is allowed to expand isothermally into an
if hydrogen were used as a fuel it could be burned according to the following reaction use average bond energies to
a compound with the molecular weight of 39198 was determined to be 31 hydrogen 315 phosphorous and 654 oxygen
hydrazine is used as a rocket fuel when 15 g of hydrazine n2h4 was burned in a bomb calorimeter temp increased from
buffer with ph of 55 kb for aniline is 42 x 10-10 calculate the ratio of amine salt to dissolved amine for
write the noble gas abbreviation ground state electronic configurations for ag and for ag which is
use the equipartition theorem to estimate the constant-volume molar heat capacity of a i2 b ch4 c c6h6 in the gas phase
write the complete balanced molecular ionic and net ionic equations for the reaction of potassium phosphate aluminum
draw the structure for the major diels-alder product of the reaction betwen 13-cyclohexadiene and fumaric acid the
under certain conditions mixing furan with maleic anhydride in diethyl ether yields a crystalline solid wth a melting
you could determine ka for benzoic acid by measuring the ph of a 0010 m solution of benzoic acid why is graphical
calculate the number of coulombs required to produce 653 g of hg from an aqueous solution of
why can you not prepare a solution of ph8 by diluting sufficiently a 001m solution of hcl with
consider the titration of 1000 ml of 0100 m h2nnh2 kb 30 x 10-6 by 0200 m hno3 calculate the ph of the resulting
the correct sequence steps that will result in the synthesis of 12-dichloropropane using acetylene and any alkyl
1-methylcyclohexene and 3-metheylcyclohexene were mentioned as possible products were mentioned as possible products of
if 200 ml of glacial acetic acid pure is diluted to 120 l with water what is the of the resulting solution the density
if the valence shell is considered to be n4 how many valence electrons are in a stable ion of a period 4
the vapor pressure of a volatile liquid can be determined by slowly bubbling a known volume of gas through it at a
the following question refers to a solution that contains 148m hydrofluoric acid hf ka 72 x 10-4 and 300m hydrocyanic
methanol and sodium sulfate are by-products of synthesis of salicylic acid during which step of the synthesis would
describe and explain the possible effect on your results of the following experimental errors or variations a you added
based on the amount of water you used during the recrystallization 36 ml estimate the amount of salicylic acid that
how many milliliters ml of a 0200 m h2so4 solution is needed to completely neutralize 2041 ml of 0280 m naoh2 naohaq
how many grams of nioh2 are produced from the reaction of 312 ml of 175 m naoh and excess nicl2