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give two examples of elements as well as compounds that exist in the human body and define their
by titration it is found that 431ml of 0169 m naohaq is needed to neutralize 250ml of hclaq compute the concentration
explain what are the differences between physical and chemical reactions in
a certain weak base has a kb of 830x10-7 explain what concentration of this base will produce a ph of
sufficient of a monoprotic acid is dissolved in water to produce a 00189 m solution the ph of the resulting solution is
the ka of monoprotic weak acid is 426x10-3 explain what is the percent ionization of a 0106 m solution of this
myoglobin transfers oxygen acquired from hemoglobin to mitochondrial proteins involved in the catabolism of metabolic
if the ka of a monoprotic weak acid is 20x10-6 explain what is the ph of a 016 m solution of this
explain what are the concentrations of oh- as well as h in a 000066 m solution of baoh2 at 25c presume complete
specified that the density of caos is 334 gcm3 as well as that the length of an edge of a unit cell is 481 pm find out
at a certain temperature the equilibrium constant for the subsequent chemical equation is 260 at this temperature
a crystal was analyzed utilizing x-ray diffraction with radiation from a copper source the observed angle was 860deg
look up the critical constants for difluorochloromethane as well as compute the pressure exerted by 100g of chf2cl in a
methoxychloromethane undergoes solvolysis in water at an incredibly high rate the reaction proceeds by a sn1 mechanism
compute the internal energy of two moles of argon gas assuming ideal behavior at 298 k suggest two ways to increase its
construct a table with the headings q w delta u and delta h for each of the subsequent processes deduce whether each of
you bought several dozen pure silver rings on a recent trip abroad however now suspect that they might not be all pure
calculate the total translational kinetic energy of the air molecules in a spherical balloon of radius 430 cm at 24
the rate of the subsequent reaction is 0720 ms define what is the relative rate of change of each species in the
the heat of vaporization of water is 4066 kj mol explain how much heat is absorbed when 246 g of water boils at
determine w if one mole of an ideal gas primarily at 200 k and 100atm is allowed to expand at constant temperature
prepare 100ml of 005 m phosphate buffer ph 63 utilizing solid nah2po4 as well as solid na2hpo4 compute the amounts of
at equilibrium the concentrations in the system were found to be n2o2011 m and no 0500 mn2g o2g lt-----gt 2nogif more
if 4168 kj of heat is realsed be a reaction inside a calorimeter containing 7540 g of water the temperature of the
a certain substance has a heat of vaporization of 5388 kjmol define at what kelvin temperature will the vapor pressure