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Write out a detailed procedure for determining the enthalpy of reaction between citric acid (H3Cit) and sodium hydroxide (NaOH). Note that the neutralization reaction is: H3Cit + 3NaOH --> Na3Cit + 3 H2O Be sure to calculate what volume of each 0.50M solution should be mixed to give a total volume of 50.0mL AND the reactants in the correct stoichiometry. Also write a data table in the space given
For this system, calculate the change in entropy (ΔS), the change in internal energy (ΔU), and the change in enthalpy (ΔH) for a reversible adiabatic expansion of this gas to a final pressure of 1.10 atm. Also calculate the final temperature (T) a..
According to the following reaction, how many grams of hydrogen gas are necessary to form 0.475 moles nitrogen gas? nitrogen monoxide (g) + hydrogen (g) nitrogen (g) + water (l) 2) According to the following reaction, how many moles of carbon diox..
slurry is filtered over a filter paper in a Buchner funnel and weighed after drying. The following is found:Weight of bone dry filter paper = 0.25 grams. Bone dry filter paper and pulp = 6.55 grams. What is the consistency of this pulp slurry?
A 2.983 gram sample containing an unknown amount of arsenic trichloride and the rest inerts was dissolved into a NaHCO3 and HCl aqueous solution. To this solution was added 1.910 grams of KI and 50.00 mL of a 0.00894 M KIO3 solution. The excess I3..
What is the barometric pressure exerted in pascals of a column of CHCl2Br (density = 2.451 g/cm3) 501.6 mm in height
Estimate the enthalpy change for the reaction between 1 mol c2h5oh as liquid ethanol, a fuel made by fermenting corn
How much heat energy would be needed to raise the temperature of a 15.0 g sample of iron (C = 0.448 J/goC) from 22.0 oC to 100.0 oC?
calculate the total length obtained when you add 12.3cm, 2.75dm, and 0.450m. give the answer in centimeters
Identify the intermolecular attractions for dimethyl ether and for ethyl alcohol. Which molecule is expected to be more soluble in water?
What is the internal energy of an ensemble of 1 mole of particles having two non-degenerate electronic energy levels separated by 1000cm^-1 at 1310K.
Use the Henderson-Hasselbalch equation to calculate the PH of each solution- a solution that contains 0.760% C5H5N by mass and 0.960% C5H5NHCl by mass
The natural abundance of c-14 in all living things is 1ppt. The half life of c-14 is 5,730 year (+/- 40 years). How old is something (+/-) that is found to have
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