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Estimate the pH and the concentration of all species in solution at equilibrium for a 0.15 M solution of ascorbic acid, or H2C6H6O6. For ascorbic acid, Ka1 = 8.0 10^5 and Ka2 = 1.6 10^12
Considering the given equation N2O4 (g) = 2NO2 (g) determine what is kp at 0c? And determine At what temperature will Kp 2.00? if it is given that Delta H = +57.2 kJ/mol,Kp = 0.113 at the temperature of 298 Kelvin?
When exactly 0.500 mL of 0.0287 M Cu(N03)2 was added the signal increased to 37.9 units. Calculate the molar concentration of Cu^2. assuming that the signal was directly proportional to the analyte concentration.
You have a 100.0- mL graduated cylinder containing 50.0 mL of water. you drop a 115-g piece of brass into the water. To what height does the water rise in the graduated cylinder.
Calculate the voltage of the cell 2Ag+(aq) (0.200 M) + Cu(s) Cu2+(aq) (0.080 M) + 2Ag(s) Eocell = 0.460 V
How many milliliters of 0.200 M NaOH will be required to titrate 19.6 mL of 0.479 M H2SO4
The pressure in the stages is such that 8% by mass of the water entering the stage evaporates and leaves as fresh water. If the desalination plant wants to produce 1400.0 gallons of drinking water per day, how many gallons of brine must the plant ..
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition
Calcium phosphide reacts with water according to the equation. Using 84.0g of Ca ?P? and 36.0g of H?O, What volume of PH? will be produced at 273 K and a pressure of 1520 torr? Ca?P? + H?O --> Ca(OH)? + PH?
A 0.16-mole sample of nitrogen gas occupies a volume of 2.35L . What is the volume of 0.34mol of nitrogen gas under the same conditions
How many grams of aspirin were lost in the washing process you used to purify your product, assuming you used 50mL of water for washing? The solubility of aspirin in water is 0.33g per 100mL at room temperature.
Important information about Organic molecules, What is meant by a molecules "handedness"? Can all organic molecules exhibit this property? What makes such a property possible?
A weak acid with the general formula of HA will react with a base, such as NaOH. Write the neutralization equation which describes the reaction.
What mass of NaCl is needed to react with 35.0 mL of the same AgNO3 solution?
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