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a liquid has a heat of vaporization of 30400 jmol at 271 k it has a vapor pressure of 102 mmhg what is the normal
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examine the following molecule ch3ch2ccchchch2ch2cbr3 numbering the carbon atoms from left to right which three atoms
you are tasked with preparing 100 ml of a ph 1200 buffer each buffer component must have a concentration of at least
what is delta suniv for the condensation of a mole of water at 80c if s standard of liquid water at 100 c is 87jmol k
you would like to investigate the experimental solubility of caoh2 at 25 degrees celsius in the presence of the common
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1 171 ml of 0030 m ki solution was combined with 50 ml of 0012 m pbno32 solution and then diluted to 100 ml with kno3
when 265 grams of a substance absorbs 401 j of heat the temperature of the substance increases from 270oc to 683oc what
first determine the molar solubility of ironii carbonate neglecting the hydrolysis of the carbonate ionsecond determine
determine the value of the equilibrium constant for each of the following reactions each reaction is the sum of simpler
how many ml of 050 m sodium acetate must be added to 20ml of 020 m acetic acid to yield a buffer of ph
a sample of agbrs is added to a text tube containing 10 ml or 60 m nh3 determine how many grams of agbrs will
if a 020 m acid with a smaller ka than benzoic were titrated with the same naoh how would the equivalence point ph and
the heat of vaporization hvap of a certain liquid at 25oc is 778 kjmol if one mole of the liquid has an entropy of 247
how many moles of hcl are required to make 1500 ml of an aqueous 2500 molar hcl solution how many moles of cl- are in
calculate the percent ionization of formic acid hco2h in a solution that is 0311 in formic acid and 0189 m insodium
to 0200 g sample 42510-3 moles of hcl were added this solution was titrated with 29510-3 moles naoh how many moles of
the heat of vaporization hvap of a certain liquid at 25oc is 118 kjmol if one mole of the liquid has an entropy of 164
how much of a 500 ml bottle of 100 molar kcl solution should be diluted with deionized water to give 2000 ml of a 0100
a reaction has deltah98kj and deltas292jk investigate the spontaneity of the reaction at room temperature would
what is the value of ksp for ag2so4 if a maximum of 540 g is soluble in 100 l of
ammonia nh3 is an important starting material used to make a variety of products including fertilizers and explosives
water is about 15 denser than oil what implications does this difference have on an oil-based fire hazard such as