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Barium Nitrate is a not very soluble nitrate. Calculate the Ksp (at 25 degrees) from the following ΔG's:
Ba2+ = -561kj/mole
NO3 1- = - 109kj/mole
Ba(NO3)2 = - 797 kj/mole
What is the reciprocal of the linear dispersion. Could the two emission lines of hydrogen, 656.28 nm and 656.10 nm be resolved to the base line with a slit width of 0.010mm. Note that the blaze angle is given in wavelength. Using the balze angle f..
Determine the value of the equilibrium constant at this temperature - Ammonium Hydrosulfide NH4HS yields NH3(Ammonia) and Hydrogen sulfide
(a) In the electrolysis of aqueous Na2C2O4, how many liters of CO2(g) (at STP) are generated by a current of 89.9 A for a period of 53.0 min? The unbalanced chemical reaction representing this electrolysis is shown below.
Calculate the [H3O+] of the following polyprotic acid solution: 0.330M H3PO4 and 0.390M H2C2O4
Calculate the pH of the solution when 20.00 mL of 0.10 M CH3CO2H (Ka= 1.76 x 10^-5) has been titrated
How long would it take for 1.50 of water at 100.0 to be converted completely into steam if heat were added at a constant rate of 16.0
During a balloon ascension, wearing an oxygen mask, you measure the weight of a calibrated 5.00-kg mass and find that the value of the gravitational field strength at your location is 9.785 N/kg.
a solution is made by dissolving 31.0 g of naoh in approximately 450 ml of water in a volumetric flask. the solution
A 10.00 ml aliquot was then diluted to 50.00 ml with distilled water and passed through a strong-acid ion-exchange resin. The eluate and washings required 36.54 ml of the NaOH solution to reach the same end point. Report the molar concentrations o..
Calculate the expansion work done against a constant external pressure of 0.991 atm and at a constant temperature of 18°C. Assume that the initial volume of dry ice is negligible and that CO2 behaves like an ideal gas.
What volume would a 0.0236-mole sample of helium gas would occupy at a temperature of 24°C and a pressure of 0.750 atm?
What kinds of supplies/animals do you bring, and how long do you anticipate your voyage taking. Be specific and use specific examples of the kinds of winds, currents, gyres, and temperatures (and whatever else you will need to provide to justify y..
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