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A solution of hydroiodic acid is 0.057 M HI. What is the hydronium-ion concentraion at 25 degrees C? What is the hydroxide-ion concentration at 25 degrees C?
Calculate total enthalpy change in the first stage and in both stages.
Determine the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency = 1.3 x 10^15 Hz? Express your answer in Joules
what is the condensed structural formula for the product of the hydrogenation of 2-butene using a platinum catalyst
calculate the milliliters of 0.124 M KOH required to neutralize 46.0 mL of 0.200 M HNO2-?
How many hemoglobin molecules are there in an average red cell? Assume that the molecular weight of the human hemoglobin tetramer is 65 kd. (The answer is 2.74x10^8, but I don't know how to calculate it)
How many milliliters of 1.00 M KOH should be added to 100 mL of solution containing 10.0 g of histidine hydrochloride
Calculate the altitude at which only 10% of the mass of the atmosphre is above and 90% of the mass of the atmosphere is below.
Assume that fructose is a molecular solid and does not ionize when it dissolves in water.
Describe clearly why a single indicator solution in only useful for measuring pH over a rather narrow range. Use a specific indicator of solution
Infrared (IR) spectroscopy analysis: please refer to the IR spectra on the last page. a) One of the IR spectra was taken of 1-decene, and the other of decane. Which is which?
Draw the major organic product(s) formed when hex-2-yne undergoes hydration in the presence of HgSO4 and H2SO4.
a coffee cup calorimeter containing 100ml of 0.30M HCl at 20.3degrees celcius. when 1.82g of Zn solid is added, the temperature rises to 30.5 degrees celcius. what is the heat of reaction per mole of Zn.
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