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Question- A galvanic cell is prepared with a Cu electrode in a test tube containing 1.34 M Cu(NO3)2 and a Cu electrode in a test tube containing 0.0102 M Cu(NO3)2. Calculate the predicted E for the cell
Illustrate structures to prove your rezoning.
A pure titanium cube has an edge length of 2.68 . How many titanium atoms does it contain. Titanium has a density of 4.50 g/cm3
what mass of sucrose c12h22o11 nbsptable sugar cane sugar beet sugar or usually just sugar must be added with 550 grams
A mixture of 13.1 grams of Zn and 22.0 g I2 is reacted to completion in a closed, evacuated container. What are the contents of the contianer after this reaction
Any help on how to do or start this problem? Suppose the gas above the soda in a bottle of a soft drink is pure CO2 at a pressure of 2 atm. a. Estimate the pH of the soda. b. Calculate CT, the total dissolved inorganic carbon.
How many resonance forms are required to represent the bicarbonate ion HOCO21
Bond Energies, Using the bond energies below, determine the value and sign of delta H for the
How much thermal energy transfer is required to vaporize 1.0 metric tone of ammonia?(1 metric ton = 10^3Kg). The delta H vaporization for ammonia is 25.1KJ/mol.
A glucose molecule is labeled at carbon-3 with 13C. How many turns of the citric acid cycle are required to remove the carbon as CO2?
Define three carbon atoms bear the unpaired electron, The pentadienyl radical, CH2=CH-CH=CH-CH2, has its unpaired electrons delocalized over three carbon atoms
Ba(NO3)2 is 20.92 mass % chlorine, and a 1.000 g sample of the mixture in 500.0 mL of aqueous solution at 25 C has an osmotic pressure of 744.7 mm Hg. What are the mass percents of KCl, KNO3, and Ba(NO3)2 in the mixture?
Deuterium oxide (D20, where D is deuterium, the hydrogen-2 isotope) has an ion-product constant, kw1 of 8.9 x 10^-16 at 20 degrees Celsius. Calculate [D+] and [OD-] for pure (neutral) D20 at this temperature.
During an experiment, a student mixed 14.5 mL of a .5 M sodium flouride solution with 15.6 mL of a .750 M hydrofluoric acid solution. The measured pH was 3.24. Calculate the pKa.
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