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how many grams of chloride ion are present in a solution made by dissolving 253 g of cacl2 in enough water to make 325
cucu2 concentration cell has voltage of 21v at 25 c the concentration of cu2 in one of the other half cell is 14e-3m
used in welding metals the reaction of acetylene with oxygen has h0 -12562kj c2h2g 52 o2g ---------h2og 2co2gh0
the enthalpy change for the reaction of 500ml of ethylene with 500ml of h2 at 15atm pressure problem h -031kj what is
the inner plasma membrane of a cell line is about 60 lipid and 40 protein by weight how many molecules of membrane
a 0160-mole quantity of nicl2 is added to a liter of 120 m nh3 solution what is the concentration of ni2 ions at
determine the overall charge on each complex a hexachloroplatinateiv b triamminetriiodocobaltiii c
the acid-dissociation constant for an acid-base indicator hin is 00000438 at 600 nm the molar absorptivities are 2230
a mineral has a face centered cubic arrangement of its atoms and an edge of the unit cell is 565685 pm the density of
a current of 465 a is passed through a nino32 solution for 110 hours how much nickel is plated out of the
a current of 388 a is pass through a nino32 solution how long in hours would this current have to be applied to plate
what do atoms with a strong attraction for electrons they share with another atom exhibit what are the formulas for
the mass spectrum of an organic compound shows the relative abundances of m to be 6070 and m 1 to be 1576 assuming the
calculate the most probable speed of an ozone molecule in the stratosphere where the temperature is 270
for the following electrochemical cell cuscu2 aq 00155 mag aq 150 mags write the net cell equation phases are optional
a current of 424 a is passed through a crno32 solution for 120 hours how much chromium is plated out of the
tell whether reactions with the following values of h and s are spontaneous or nonspontaneous and whether they are
calculate the cell potential for the following reaction as written at 59 degc given that zn2 0874 m and sn2 00170 m
what is the phase of the standard states of the following elements and compounds
titanium metal is used as a structural material in many high-tech applications such as in jet engines what is the
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 enthalpy change for the reaction of 500ml of ethylene with 500ml of h2 at 15atm pressure problem h 031kj what is
the addition of h2 to cc double bonds is an important reaction used in the presentation of margarine from vegetable