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The Nernst equation applies to both cell reactions and half-reactions. For the conditions specified, calculate the potential for the following half-reactions at 25 C 2Cr3+ (aq) + 7H2O (l) --> Cr2O7^2- (aq) + 14H+ (aq) + 6e- [Cr3+] = [Cr2O7^2-] = 1.0 M, [H+] = 1.5×10?2 M
The rate constant for a certain chemical reaction is 0.00250 M1 s1 at 25.0C and 0.0125 M1s1 at 50.0C. What is the activation energy for the reaction, expressed in kJ mol?
If the titrant has a molarity of 0.2000 M and there are 50.00 mL of analyte present, what is the molarity of the analyte?
What does the 1H-NMR spectrum and the IR spectrum look like with notations on each peak on both spectra
A 34.5-g sample of an alloy at 93.0 degrees Celsius is placed into 50.0 g of water at 22.0 degrees Celsius in an insulated coffee-cup calorimeter with a heat capacity of 9.2 J/K. If the final temperature of the system is 31.1 degrees Celsius, what..
Describe the role of the standard free energy change in bioenergetics. What specifically is meant by different levels of the standard free energy change'?
Using the Nersnst Eqaution [E=E^0 + (RT/nF)In(a1/a2) ] in terms of teh partial pressures of the components (specify assumptions). Also, calculate the Gibbs Free energy of the complete rxn.
Identify the group of elements that corresponds to the following generalized electron configuration
The following problem is based on the "Nutrition Facts" found on the wrapper of an energy bar, assuming a 2000 calorie diet. The energy bar contains 100 mg of sodium, which constitutes
A reaction was conducted in benzene as the solvent. Because the reaction was very exothermic, the mixture was cooled in a salt-ice bath. This was a bad choice. Why?
How much heat energy is liberated when 11.0 grams of manganese is used in the formation of Mn2O3
determine what mass of AgCl silver chloride can be formed from 1.03L of a 0.132M solution of AgNO 3 silver nitrate
what is the molar mass of the protein? A solution of 7.50 mg of a small protein in 5.00 ml of aqueous solution has an osmotic pressure of 6.80 torr at 23.1 degrees celcius.
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