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the diprotic acid H2B is being titrated against .04M NaOH. H2B has 40mL, .2M concentration, Ka1+2.5*10^-3, Ka2=3*10^-10. What are the concentrations of each species in the following pts in the titration? .00mL base added, 100 mL base added, 200 mL of base added, 300 mL of base added, 400 mL of base added, and 500 mL of base added
The constant pressure molar heat capacities of ice and water are 37.7 J/ mol K and 75.3 J/ mol K respectively. The molar enthalpy of fusion of ice is 6.01 kJ/ mol at 0.00° C. The system consists of a 105 gram sample of H2O, initially in the form o..
Write a balanced titration reaction. (b) Write two different half-reactions for the indicator electrode.
If 24g Mg is used and the percentage yield is 95%, how many grams of magnesium hydroxide should be recovered?
Empirical Formula of a Compound and Conversion, The characteristic odor of pineapple is due to ethyl butyrate, a compound containing carbon, hydrogen, and oxygen
A lake with a cross sectional- area of 1km^2 and a depth of 125m has an euphotic zone that extends 15m below the surface what is the maximum weight of the biomass (in grams of carbon) that can be decomposed by aerobic bacteria
A racquetball court is 20 ft wide. If we consider only motion along this direction and treat the ball as a particle in a box, if the ball weighs 1.4 ounces, what quantum number corresponds to a racquetball hit 100 km per hour and what speed would ..
Determine the mass of silver chloride is produced from 75.0 grams silver nitrate
what is the concentration of toluene in the air space of the bottle and what is the concentration of toluene in the water? The dimensionless Henry's Law Constant for toluene at 25 degrees C is 0.265 (mg/Lair)/mg/Lwater).
A second worker approaches to within 5 meters behind a shield that attenuates 60% and remains there for 20.0 minutes. What is the ration between the absorbed doses for the two workers
Assuming that the 3s- and 3p-orbitals will form molecular orbitals similar to those formed when 2s- and 2p-orbitals interact, according to molecular orbital theory
this energy is in the form ofelectromagnetic radiation, what is the frequency of the radiation? Is the radiation emitted orabsorbed?
How is the half-life of a first-order reaction effected by the concentrations of the reactants?
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