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the value of deltah for the reaction ch3oh l----gtco g 2h2 g is 1281 kj how many kj of heat are consumed when 510 g of
the starship enterprise is caught in a time warp and spock is forced to use the primitive techniques of the 20th
you have a solution that is 185 vv methyl alcohol if the bottle contains 120 l of solution what is the volume v in
a sample of hydrogen gas was collected over water at 21 degrees c and at a pressure equal to the atmospheric pressure
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which of the following compounds is expected to have the highest boiling point ch3ch2ch3 ch3ch2f ch3ch2oh
a 2500-ml sample of well water containing dissolved iron was treated with hydroxylamine hydrochloride ph 5 buffer and
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nh4clslt---gtnh3g hclg delta h176kj per mol hcl for the following actions indicate whether the action causes net
by how many volts will the potential of an ideal mg2 ion selective electrode change if the electrode is removed from a
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write down mass balance and charge balance equations for 0100 mol l-1
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calculate the massvolume percent of a nacl solution in which 160 grams of nacl is dissolved in enough water to give a
a solution of baoh2 is standardized with potassium acid phthalate abbreviated khp khc8h8o4 m 204 if 1530 g of khp is
245 gibbs free energy differences between axial-substituted and equatorial-substituted chair conformations of
0010 m aqueous solution of a weak acid hx has a ph of 40 what is the percentage ionization of hx in the
select the gas with the largest root-mean-square molecular speed at 25degc a nh3 b co c h2 d
if 20 ml of 010 m naoh are added to 30 ml of 020 m hoac what is the ph of the resulting solution ka 18 x 10-5 for