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Using the Nernst equation, calculate the effect on the cell potential of increasing the Fe2+ ion concentration from 1.0 M to 2.0 M for each of the following reactions. The concentration of the other solution remains at 1.0 M
Fe+2(aq) + Zn(s) ? Fe(s) + Zn2+ (aq)
Fe(s) + Cu2+ (aq) ? Fe2+ (aq) + Cu(s)
A 1.0 ounce piece of chocolate contains 15 of caffeine, and a 6.0 ounce cup of regular coffee contains 105 of caffeine.How much chocolate would you have to consume to get as much caffeine as you would from 5.0 cups of coffee?
A solution contains 3.60 mol of water and 1.50 mol of nonvolatile glucose (C6H12O6). What is the mole fraction of water in this solution?
Calculate the partial pressure of hydrogen gas at equilibrium. and calculate the vaue of Kp for this reaction.
lead (II) sulfide (PbS) has a Ksp of 3.0 x 10^-28 . what is the concentration of lead (II) ions in a saturated solution of PbS
Acrylonitrile is an important building block for synthetic fibers and plastics. Over 2 billion pounds of acrylonitrile are produced in the United States each year.
Given that mercury has a Hvap of 59.11 kJ/mol and its normal boiling point is 356.7°C, calculate the vapor pressure in mm Hg at room temperature, 25°C.
A gas is initially at 1.2 atm, 15.0 L, and O°C. What is the final pressure when the same amount of gas is heated to 10°C and the volume changed to 16.0 L
The Ksp of magnesium carbonate is 4.0x10-5. write balanced chemical equations and Ksp expressions for each of the salts as part of your solution
The presence of reductants can enhance the thermodynamic favorability of the decomposition of nitrous oxide (N2O). Calculate deltaH
Use the periodic table to determine the element corresponding to each of the following electron configurations.
As it expands, it does 135.8 J of work on its surroundings at a constant pressure of 783 torr. What is the final volume of the gas?
Soft drinks are bottled under CO2 pressure of 4.0 atm. The solubility of CO2 at 4.0 atm is 0.71g/100g H2O. What is its solubility after the bottle is opened if the partial pressure of CO2 is 4.0e-4 atm
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