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Carbon oxide (carbon (II) oxide) can be purified of oxygen impurities by having it react with cobalt (II) oxide. If the impure carbon oxide contains a volume of 1.5% oxygen, and if it reacts with cobalt (II) oxide at 250 °C and 500 kPa, what mass of cobalt (II) oxide will be required to purify 1.00 x 105 L of carbon oxide?
Explain the use of nuclear isotope in medical field and Write a paragraph expaining what nuclear isotope can be used for medical purpose
write an individual balanced equation for the dissolving of each salt in solution, including phase labels B) what was the concentration in molarity if each ion in solution, Mg 2+, Na+, Cl-?
A particular reaction has a ?Ho value of -180 kJ and ?So of -254 J/mol K at 298 K. Assuming that ?Ho and ?So hardly change with temperature, determine the temperature in K at which the spontaneity of this reaction changes.
The electron in the He+ ion is excited to the n = 2 principal state. What is the energy of the electron now?
The temperature of a 2.o-liter sample of helium gas at stp is increased to 27 degrees Celsius and the pressure is decreased to 80kpa what is the new volume of the helium sample?
Two gas reservoirs, A and B, have the same volume and contain gas at the same temperature. Reservoir A contains 7.62g of He gas at a pressure of 1.20atm. Reservoir B cotains Ne gas at a pressure of 1.80atm. Determine the mass of Ne gas in containe..
If the sample contains a combined total of 1.90 mol and has a total mass of 60.3g, what are the percentages of CO2 and Ne in the sample by mole?
What volume and mass of steam at 100 degrees celsius and 760 torr would release the same amount of energy as heat during condensation as 65.5 cm(cubed) of liquid water would release during freezing?
Diamond and graphite are two crystalline forms of carbon At 1 atm and 25°C, diamond changes to graphite so slowly that the enthalpy change of the process must be obtained indirectly. Determine deltaH(rxn) for
Legend has it that the Greek philosopher, Socrates, died after drinking a tea made from hemlock leaves. Coniine, the toxic compound found in hemlock, is calculated to have an LD50 in humans of 10 mg/kg.
Predict the order of elution for the silica gel adsorption TLC separation of the mixture containing benzyl alcohol, benzaldehyde, and benzoic acid using methylene chloride solvent. Explain
Dissolve the crude product in the minimum amount of boiling solvent to keep the solution of the product at its saturation point and then allow to cool so pure crystals will form.
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