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Decrease how the addition of the silver nitrate to the Fe3+/SCN- equilibrium system had an effect though neither Ag+ nor No3- appears in the equation Fe3+(aq) +SCN(aq)<------>(double arrow means equilibrium) [FeSCN]2+
Why is the injector/detector temperature set at 180 C while the column temperature is only at 90 C and why is it possible to inject the sample directly with a syringe onto the top of the column in GC but not HPLC
A typical frequency used by GSM cell phones is 759.0 MHz. What is the wavelength of this signal in m?
negative or about 0. For each, indicate whether the process is always spontaneous, never spontaneous, spontaneous at high temperature or spontaneous at low temperature.
what is the relative concentrations of hlnyellow and ln-blue for bromophnol blue ka1.0x10-4 at ph of
calculate the molarity of a solution of glycerol made by dissolving 68.000 glycerol at 15 in enough water to make
what is the chemical equation name and formula for the follwing?when strongly heated magnesium sulfide formed a yellow
Utilize the bond energies given in table 9.5 to compute the heat of reaction for the reaction of nitrogen trifluoride gas with hydrogen gas. The products formed are nitrogen difluoride hydride as well as hydrofluoric acid, all gases:
A buffer is prepared by mixing 161 mL of 0.193 M NaOH with 695 mL of 0.687 M sodium bicarbonate (NaHCO3). Given that the Ka1 of H2CO3 is 4.5 x 10-7 and the Ka2 is 4.7 x 10-11, calculate the pH of the solution.
What are some ways to induce recrystallization (Name 3), if your solute refuses to recrystallize after performing the required 7 steps?
Why would you put a metal sample in a test tube and then in boiling water to heat it instead of putting the metal sample directly in the boiling water
Calculate ?H, q and w when 1.00 mol of helium at 5.00L and a temperature of 298.15K is expanded and heated simultaneously
The broad feature of the spectrum are therefore expected to be hydrogen-like, the differences arising largely from the mass differences. Predict the wavenumbers of the first three lines of the Blamer series of positronium. What is the binding ener..
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