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calculate the molality of each of the following aqueous solutions a 200 m nacl solution density of solution 108 gml b
according to archimedes principle the mass of a floating object equals the mass of the fluid displaced by the object a
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a solution of hno3 is standardized by reaction with pure sodium carbonate2h na2co3 ---gt 2na h2o co2nbspnbspa volume
what were matrix mechanics and wave mechanics and why did their respective proponents disagreewho formulated the theory
densities are calculated by first determining the mass of the metal in grams then submerging the metal into a known
why can you use calcium chloride to reduce the moisture in a humid basement
a solid block of exactky 1000 cm 3 has a mass of 1536g determine its density will the block sinf or float on
review the current stem stories review the current stem stories
draw the structure of the reactants and products for the following reactions label each as an oxidation or reduction
at constant volume and temperature 100 kpa of ethane c2h6 is combusted with 500kpa of o2 what is the total pressure of
if 580 g of cuno3 is dissolved in water to make a 0280 m solution what is the volume of the
what is the vapor pressure of a 66 by mass aq ethylene glycol hoc2h4oh solution at 0 degrees celsius the vapor
a freshly purified 132 g sample of the alpha particle emitting radionuclide 232pa is prepared then placed inside a
use the data found innbspthermodynamic propertiesnbspto determine the values for the o-cl and the o-f bond energies
balance the combustion reaction of chrysene c18h12 at 298kc18h12snbspnbspo2gnbspnbspnbspco2g nbspnbsph2olwhat is the
the heat of combustion of liquid styrene c8h8 is -43952 kjmol at 1 atm and 298 ka what is the energy of combustion at 1
what nacl concentration results when 289 ml of a 0880 m nacl solution is mixed with 647 ml of a 0210 m nacl
510 ml of a 140 m solution is diluted to a total volume of 208 ml a 104-ml portion of that solution is diluted by
suppose you were tasked with producing some nitrogen monoxide aka nitric oxide im sure this is often requested of you
you have to be careful about pouring drano down your pipes since it is mainly hydrochloric acid--you cant do it if they
the water level in a graduated cylinder initially at 223ml rises to 279ml after a piece of lead is submerged what is
what is the heat capacity of a bomb calorimeter if the combustion ofnbsp2812nbspmmol of salicylic acid
an analyst is directed to prepare accurately to four significant figures 100ml of a solution of na2co3 that is around