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If a molecule having an ionization energy of 9.22 eV produces a photoelectron having a kinetic energy of 8.60274E-19 J, what is the wavelength of the incident radiation?
ground state absorbs 2.50 times as much energy as the minimum required for it to escape from the atom. Calculate the deBroglie wavelength of the emitted electron
When a sample of neon with a volume of 628 mL and a pressure
what mass of Mg is formed from molten MgCl2 if a current of 1.8 amps is passed through the sample for 16.7 hours
determine the carburizing time necessary to achieve a carbonconcentration of 0.45 wt at a position 2 mm into an
Isobutane is the fuel used in disposable lighters. The lighters' operation is dependent upon the butane's ability to vaporize and be ignited, and this depends somewhat upon the large pressure difference between the inside of the lighter
What is the pH of a solution containing 0.24 moles of ammonia and 17.8g of ammonium chloride, NH4Cl. Kb for ammonia is 1.8 times 10, What is the PH of a 0.085M solution of ammoniun chloride. Kb for ammonia is 1.8 times 10
determine that the temperature of your distilled water is 24.5°C. You carefully determined the mass of a clean dry beaker and found that it was 58.1884 g.
Compound Y absorbs 2 equivalents of hydrogen when reduced over a palladium catalyst to give Z (C14H14) and reacts with ozone to give one product, benzoic acid (C7H6O2). Draw the structure of compound Z
Titration of 0.1756 g of primary standard Na2C2O4 required 32.04 mL of a KMnO4 solution. Calculate the concentration of KMnO4. Hint: to work this problem you have to write & balance the redox reaction involved
an experiment was performed to determine the amount of pyridoxine (B6) in a vitamin tablet. A tablet weighing 0.4006g was dissolved in 25mL of solution
a compound having an approximate molar mass of 120-15 g has the following percent composition bymass carbon 38.44
Is this system at equilibrium? If not, will the amount of N(g) increase or decrease as the system proceeds to equilibrium at 4000 k in a fixed volume
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