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A method for measuring organic carbon in seawater consists of oxidation of the organic materials to CO2 with K2S2O8, followed by gravimetric determination of the CO2 trapped by a column of NaOH-coated asbestos. A water sample weighing 6.234 g produced 2.378 mg of CO2 (FM 44.010). Calculate the ppm carbon in the seawater.
compute the thermal-equilibrium values of hole and electron concentrations while considering a homogeneous gallium
a tank with a total pressure of 4.7 atm has a mixture of gases that is 72 nitrogen and the rest is oxygen. what is the
Work function of chromium metal is 4.37 eV. What is the wavelength of radiation that must be supplied to metallic chromium to release and electron with kinetic energy of 2.05*10^-18 J
Microwave ovens emit microwave energy with a wavelength of 12.0 cm. What is the energy of exactly one photon of this microwave radiation
Silver chloride, often used in silver plating, contains 75.27% Ag.Calculate the mass of silver chloride in grams required to make 4.4 grams of silver plating.
Calculate the molar heat (enthalpy) of combustion for butyric acid.
At 400°K , 0.20 M NO and 0.10 M Cl2 were mixed. The reaction rate was found to be 3.04 ? 10-6 M/s. What is the value of the rate constant, k?
What is the minimum uncertainty in the position of a hydrogen atom in a particle accelerator given that its speed
Why adding distioled water to the vinegar sample prior to beginning the titration does not affect the result of your determination of the molarity
A bottle containing 1 kg of water (18.01g/mol) is boiled until evaporation is complete. Find w, q, U, H for the process. Hvap = 40.6kJ/mol. My question is when we find the w what temperature we use (room temperature or 100 C)
A hydrogen atom with an electron in its ground state interacts with a photon of light with a wavelength of 1.22 × 10-6m. Could the electron make a transition from the ground state to a higher energy level?
a compound containing carbon amp hydrogen atoms has a deep blue color. complete combustion of 288 mg of the compound
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