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The cell potential of the following electrochemical cell depends on the gold concentration in the cathode half-call. Pt(s)/H2(g,1atm)/H^+(aq,1.0M)/Au^3+(aq,?M/Au(s). What is the concentration of Au^3+ in the solution if Ecell is 1.30V?
A 1L steel tank is fitted with a safety valve that opens if the internal pressure exceeds 850 torr. It is filled with helium at 23 oC and 0.991 atm and placed in an oil bath.
explain how the ligands of F-, NH3 and CN- bonded to CO3+ can result in a green, yellow-orange, and pale yellow color for these compounds, respectively
Based on the following definitions of stereospecifc and stereoselective, propose a reaction that is stereospecific but NOT stereoselective
Salicylic acid, used in the synthesis of aspirin, has mass composition 60.87% C, 4.38% H, and 34.75% O. What is the empirical formula of the compound?
A flask has a mass of 78.16g when empty and 593.56g when filled with water. When the same flask is filled with concentrated sulfuric acid, its mass is 1026.57g. Calculate the density of concentrated sulfuric acid.
Europium (atomic weight 151.96) has two naturally occurring isotopes with isotopic weights 150.9196 and 152.9209. what is the percentage abundance of the lighter isotope
A solution made by dissolving 1.50g of solute in 25.0 mL of H2O at 25 degrees C has a boiling point of 100.45 degrees C. What is the molar mass of the solute if it is a nonvolatile non electrolyte and the solution behaves ideally
consider the reaction CO2+H2=CO+H2O.The equilibrium concentrations are [CO]= 0.050M, [H2]=0.045M, [CO2]=0.086M, and [H2O]= 0.040M. Calculate K .
Why would we obtain the same equation of state for linear molecules and non-linear molecules ( that is, taking rotations and vibrations into account?
the one in this module was performed to determine the solubility and the solubility product constant of Gallic acid
an aqueous solution of cacl2 has a vapor pressure of 84.0mmhg at 50 c . the vapor pressure of pure water at this
Compare and contrast the arrow pushing mechanism for the reaction of 2-chlorobutane with: a. AgNO3 and ethanol b. NaBr in acetone
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