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i2g lt--gt 2i gat 1000k the equilibrium constant kc for the reaction is 380x10-5 suppose you start with 00356 of i2 in
three common hydrocarbons that contain four carbons are listed here along with their standard enthalpies of
it is often useful to be able to anticipate without doing a detailed calulation whether an increase in temperature will
a solid mixture consists of 340g of kno3 and 60g of k2so4 the mixture is added to 1300g of water this problem includes
an acqueous solution of kl has a freezing point of -180 c and an osmotic pressure of 260 atm at 250c assume kl
coniine a toxic substance isolated from a poison hemlock contains only carbon hydrogen and nitrogen combustion analysis
other kinds of titrations are possible in addition to acid-base titrations for example the concentration of a solution
the order of skunks is caused by chemical compounds called thiols these compounds of which butanethiolc4h10s is a
glass cuvette used for precision measurements in a spectrometer are marked so that they always have the same
the rate of the reaction of methyl ethyl acetate with hydroxide to form acetate ion and ethanol as shown in the
the vapor pressure of water at 300 degree celsius is 3182mmhg a portion of mannitol c6h14o6 non-volatile is added to
a possible side product of the aldol reaction of cinnamaldehyde and acetone is the self-condensation of acetone draw
antacid tablets are made from a variety of compounds sodium bicarbonate magnesium hydroxide and calcium carbonate to
complete the following neutralization reaction and identify the strong acid strong base weak acid andor weak basea
instructions for antacid tablets may direct the user to take 2-3 tablets for reduction of stomach acid assuming that a
there are two binary compounds of titanium and chlorine one compound contains 3104 titanium by mass and the other
a 10 ounce piece of chocolate contains 15mg of caffeine and a 60 ounce cup of regular coffee contains 105mg of caffeine
the reaction of iodide ion with hypochlorite ion oci - the active ingredient in a chlorine bleach such as chlorox
in a modified version of the unknown acid analysis experiment a 07032 g sample of unknown monoprotic weak acid was
the activation energy of a certain reaction is 529 kjmol how many times faster will the reaction occur at 35 degrees c
the first ionization energy of ne is 2081 kjmol the sodium ion na is isoelectronic with ne but the ionization energy
imagine that you place a cork measuring 130cm x 550cm x 300cm in a pan of water and that on top of the cork you place a
the heat of combustion of ethane c2h6 is 1560 kjmol what is the heat of combustion of ethane in kj per
although coals is a complex mixture of substances its elemntal composition can be approximated by the formula