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A sample containing 7.45 grams of KCl is dissolved in sufficient distilled water and reacted with 1000.0 mL 0.300M AgNO3 solution. Excess silver nitrate solution reacted with the metallic copper according to the following reaction: Cu (s) + 2 AgNO3 (aq) ---> Cu(NO3)2 (aq) + 2 Ag (s)
The precipitate is filtered off and a strip of copper weighing 10.00 grams is dropped into the filtrate. After the reaction is terminated, the mass of unreacted copper remaining is: ______
A Raman spectrum is measured with a 630nm Laser. Stokes lines are collected. The Raman spectrum has a peak at 1700cm-1 what is the wavelength of this peak. Planck's constant = 6.626x10-34 Js
In a particular redox reaction BrO^- is oxidized to BrO3^- and Ag^+ is reduced to Ag. Complete and balance the equation for this reaction in acidic solution.
If the solubility of NaBr at 25 degree C is 14.3 g/100 g H2O, what mass os NaBr can be dissolved in 300 grams of water
a reaction that contributes to the depletion of ozone in the stratosphere is the direct reaction O(g)+O3(g)-->2O2(g) at 298K the rate constant is 4.8*10^5M-1s-1 use delta H values from appendix C to estimate
State in the proper coefficient for each of the species involved in the overall reaction. Water molecules and protons are not shown in the half-reactions, however may be needed in the overall reaction.
A titration of 200.0 mL of 1.00 M H2A was done with 1.28 M NaOH. For the diprotic acid H2A, ka1 = 2.5 x 10^-5 and ka2 = 3.1 x 10^-9.
A 18.0L gas cylinder is filled with 5.20moles of gas. The tank is stored at 29 degrees C . What is the pressure in the tank
The pressure gauge on a 20.0 m3 tank of nitrogen at 25 ?C reads 10 bar. Estimate the mass of nitrogen in the tank by : (a) Direct solution of the ideal gas equation of state. (b) Conversion from standard conditions.
How much heat does your body lose when 1.8 of sweat evaporates from your skin at 25 ? (Assume that the sweat is only water.) The heat of vaporization of water at 25 is 44.0 .
at 125degc kp 0.25 for the following reaction.2 nahco3s na2co3s co2g h2oga 1.00 l flask containing 14.8 g nahco3 is
Assume an organic compound has a partition coefficient between water and diethyl ether equal to 8.95. If there are initially 7.89 grams of the compound dissolved in 100.0 mL of water, how many grams will remain in the aqueous layer after extractio..
State the balanced equation for the ionization of the weak base pyridine, C5H5N in water, H2O. Phases, such as (aq) or (l) are optional.
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