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list the symbols of all inert gasesnbspto which group of the periodic table do exceptionally inert gases belong why are
organic chemistry ii question1 draw the two different ylides that could be used in the wittig synthesis of
barium hydroxide often used to titrate weak organic acids is obtained as the octahydrate baoh2 8h2o what mass of baoh2
will a precipitate of magnesium fluoride form when 2000 ml of 19 x10-3 m mgcl2 are added to 3000 ml of 14 x10-2 m naf
a buffer contains 0100 moles of na3po4 and 0150 moles of na2hpo4 w a total volume of 500 ml anbspcalculate the ph of
anbsp346nbspml sample of anbsp0441nbspm aqueousnbsphydrofluoric acidnbspsolution is titrated with anbsp0397nbspm
thenbspco2nbspconcentration in a saturated solution ofnbspcobaltii hydroxidenbspis measured and found to
if a strong acid and strong base are mixed together as h reacting with oh- write the reaction for the acidbase
calculate the ratio of the effusion rate of hydrogen gas h2 to that of carbon dioxide gas co2 express your answer in
what is the half-life at 0 at 171 min does it increase or decrease zero first or second reaction what is the rate
the reaction 2a rarr a2 was experimentally determined to be second order with a rate constantnbspk equal to
the rate constant for the reaction below was determined to benbsp3241times10-5nbspnbsps-1nbspat 800 k the activation
the first step in the preparation of magnesium metal is the precipitation of mgoh2 from sea water by the addition of
what is overall equation for proposed gas mechanism for the gas phase decomposition of nitryl chloride what species
write out the balanced equation for the reaction that occurs when caoh2nbspand h3po4nbspreact together you do not need
please help thanks for an experiment you have a calorimeter with 350 g of water at 24degc 175 g of crystalline ammonium
two successive reactions a rarr b and b rarr c have yields of 57 and 43 respectively what is the overall percent yield
you mix 500 ml of 20 m hcl and 500 ml of 20m naoh the temperature of the resulting solution increases from 225 degrees
ifnbsp120nbspml ofnbsp788times10-4nbspmnbspagch3coonbspare added tonbsp120nbspml ofnbsp800times10-5nbspmnbspnh4cl will
an experiment is performed in which 100 ml of 0300 m cano32 are mixed with 200 ml of 020 m nafnbspksp for caf2 nbsp 32
determine the molecular formulas for compounds having the following empirical formula and molar massc2h4s experimental
multiple choice question1 the functional groups on most amino acids arenbspa alpha amino and alpha carboxyl groupsb
sotalol is a drug with beta-blocker and antiarrhythmic actions the kinetics of the metabolism of the drug were followed
a gallon of gasoline can provide aboutnbsp130times105 kjnbspof chemical energynbspifnbspallnbspthis energy could be
reaction of the anti-cancer drug cisplatin with water is described by the following ptnh32cl2nbsp h2o -gt ptnh32h2ocl