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Explain why is the chemiluminescence even more pronounced with the ferricyanide/hydrogen peroxide mixture?
Some MF2 is dissolved in water at 25oC to make a saturated solution. (M is a mystery metal - it's identity can be ignored.) Some of the solution is removed and tested
The substance Y solution now has a concentration of 25 mg/L. Explain what is the mass of substance Y that is adsorbed to the GAC. Explain what is mass to mass ratio of the adsorbed substance Y to GAC in mg/kg at this equilibrium concentration
Determine the capacity of this buffer solution for resisting pH change when acid is added. Assume the volume does not change
It is desired to determine the micrograms of thiamine, vitamin B per gram of pork. A 2.00 g sample of pork was extracted with HCl, treated with phosphatase, and diluted to 100 mL. An aliquot of 15 mL is purified by absorption and elution during wh..
Many power plants produce energy by burning carbon-based fuels, which also produces carbon dioxide. Carbon dioxide is a greenhouse gas, so over-production can have negative effects on the environment. Use enthalpy of formation data to calculate th..
Gallium crystallizes in a primitive cubic unit cell. The length of an edge of this cube is 362 pm. What is the radius of a gallium atom
If the work function of a metal is 4.51 eV, what is the maximum wavelength of light that can be used to observe the photoelectric effect
a white solid melts at 1000 deg. celsius. the melt conducts electricity. classify the substance as best as you can from
compute the energy levels for the rotation perpendicular to its symmetry axis at J=1. T he bond length in the 14NH 3 =101.2 pm and NHN bond angle 106
1.464 g of an unknown hydrocarbon (112.6 g/mol) burns in bomb calorimeter in excess oxygen. The heat capacity of the calorimeter,Cv, = 5.234 kJ/ºC and ?T =5.744 ºC. Find ?E for this hydrocarbon in kJ/mol.
Arrange the following elements from greatest to least tendency to accept an electron. Rank from greatest to least tendency to accept an electron. To rank items as equivalent, overlap them.
a briefly review the logic that turns the observation that the absolute zero of temperature is unattainable into the
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