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Calculate the value of E^o cell for the reaction 2Ag(s) + Ca2+ (aq) yields 2Ag+(aq)+Ca(s), using the standard reduction potentials
Ag+(aq)+e- yields Ag(s) E^o=0.80 V
Ca2+(aq)+2e- yields Ca(s) E^o= -2.87 V
A. -3.67 V
B. -2.07 V
C. -2.29 V
D. 2.07 V
E. 3.67 V
Since the freezing point of a solution depends on the number of particles, what would you expect the freezing point of 0.1 m solutions of aqueous NaCL and BaCl2?
Calculate the mass of pure water recovered per mass of water in the process feed. A.3) Calculate the weight percent of salt leaving the 5th evaporator. (Note: Thoughtful selection of control volume can save you a lot of algebra.)
After treatment with trypsin, which cleaves at R and K, there were 3 fragments: two dipeptides and MGAV. What is the sequence of the peptide? Use the one-letter abbreviations for the amino acids, and do not use dashes.
Calculate delta G for this reaction at 25 C under the following conditions. Pco2 = 0.100 atm Pccl4 = 0.165 atm Pcocl2 = 0.755 atm express answer in KJ please show work as well
What is the percent ionization of a 0.171 M solution of this acid?
A solution contains 9.87 (g) of dissolved silver. How many moles of potassium chloride must be added to the solution to completely precipitate all of the silver?
When 28.0 ml of 0.500 M H2SO4 is added to 28.0 ml of 1.00 M KOH in a coffee-cup calorimeter at 23.50 degrees Celsius, the temperature rises to 30.17 degrees Celsius. Calculate the delta H of this reaction.
DRAW a flow chart to show how triphenylmethanol is purified by extraction. Indicate which layer contains the product.
calculate the equilibrium constant from an absorbance value but my professor never told us how to calculate this.
What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 12.7 L of water to produce an antifreeze solution with a freezing point of -34.6°C? (The density of ethylene glycol is 1.11 g/cm3, and the density of water is 1.00 g/cm3.)
The combustion of 13.2 g of propane, C3H8 (g), liberates 6.6x10^3 kJ of heat. What is the enthalpy change (kJ) for the reaction?
What is the theoretical yield of aspirin if 165 of salicylic acid is allowed to react with 111 of acetic anhydride?
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