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suppose a buffer solution is made from formic and hcho2 and sodium formate nacho2 what is the net ionic equation for
04 mol of a gas is heated at constant pressure so that its temperature increases from 21deg c to 7983 deg c as a result
what is the ph of a solution that is 029 m in acetic acid hc2h3o2 and 074 m in sodium acetate nac2h3o2 at 25degc ka of
consider the following chemical equation na3po4aq caoh2aq ca3po42s naohaq how many grams of calcium hydroxide must
although the mechanism of the acid catalyzed ring opening polymerization of sigma-decalactone is slightly different
a liquid fuel mixture contains 3195 hexane c6h14 1550 heptane c7h16 and the rest octanec8h18 what maximum mass of
metal ions can also be placed in a spectrochemical series in this case larger effective nuclear charges generally lead
how many kilojoules ore released when 36 l h2g and 24 l f2g react to form hfg at a constant pressure of 1 atm and
choose the incorrect statement a when a half reaction is reversed the sign of the potential is changed b reversing a
nitrogen dioxide gas reacts with water to give nitric acid which is a liquid and nitric oxide nitrogen monoxide gas at
consider the following chemical equation a fe2o3l all --gt fel al2o3s if 250 g of molten ironiii oxide reacts with
at 400 k an equilibrium mixture of h2 i2 and hi consists of 0015 mol h2 0012 mol i2 and 0025 mol hi in a 450-l flask
use satndard enthalpies of formation to calculate standard enthalpies of reaction for the reactions a cgraphic 2h2ol
what is the solubility in gl of silveri iodide at 25ordmc the solubility product constant for silveri iodide is 83
redox equation is completed and balanced for the reaction in acid solution what is the proper coefficient for h zn
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the solubility of manganeseii carbonate is 54 times 10-4 gl what is the solubility product constant for manganeseii
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in a solution mixture of a 0010m weak acid and 010m weak base the measured ph was 475 at 24c calculate the ka of this
elimination competes with substitution write an equation for the elimination reaction of 2 chloro 2 methylpropane in
for a particular liquid raising its temperature from 330 k to 353 k causes its vapor pressure to double what is the
if 113g of cano32 dissolves in 1150g of water the freezing point is depressed by -334c from this data what is the molal