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A galvanic cell is constructed with a silver-silver chloride electrode, and a nickel strip immersed in a beaker containing 6.49 x 10-2 M solution of NiCl2. Determine the balanced cell reaction and calculate the potential of the cell. Enter in volts. (assume a temperature of 25°C)
Icebergs in the North Atlantic present hazards to shipping, causing the length of shipping routes to increase by about 30 percent during the iceberg season. Attempts to destroy icebergs include planting explosives, bombing, torpedoing, shelling, r..
Explain what volume of 70.0 mM potassium maleate buffer, pH 6.5, would be required to make 0.100 liters of 5.00 mM maleate buffer containing 1.80 M ammonium nitrate
Explain a balloon has a volume of 1.20 L on a warm 32 ºC day If the same balloon is placed in the freezer and cooled to -18 ºCm what volume will it occupy
Calculate the molarity of each of the following solutions. (a) 23.0 g of ethanol (C2H5OH) in 545 mL of solution (b) 15.4 g of sucrose (C12H22O11) in 74.0 mL of solution
if the fluoride is consumed as sodium fluoride 45.24 what amount of sodium fluoride contains the recommended amount of
An aqueous solution that contains 285ppm of potassium nitrate (KNO3) is being used to feed plants in a garden. What volume of this solution is needed to prepare 1.7 L of a solution that is 97 ppm in KNO3?
The value of the change of G for the conversion of glucose-6-phosphate to fructose-6-phosphate is +1.67 kJ/mol. If the concentration of glucose-6-phosphate is 2.65mM, what is the concentration of fructose-6-phosphate
You buy a bottle of 500 mg vitamin C tablets and determine by titration that, on average, each table contains 7.00 x 10-4 moles of ascorbic acid (HC6H7O6). The molar mass of ascorbic acid is 176.12 g/mol. Calculate the average mass percent ascorbi..
Calculate the transmittance of 162-nm radiation through a sample of ethylene gas at 25 oC and 10 torr for a cell length of (a) 1.0 cm; (b) 10 cm.
Explain a volume of 18.0 L contains a mixture of 0.250 mole N2, 0.250 mole O2, as well as an unknown quantity of He. The temperature of the mixture is 0 Celsius, as well as the total pressure is 1.00 atm. Explain how many grams of helium are prese..
at 25ordmc the solubility product constant ksp for magnesium phosphate mg3po42 is 1.0acute10-24. the solubility product
You have 20.00 mL HCl (aq) - you are able to reach equilibrium (at pH 7.00) through titration by adding 14.25 mL of 0.2030 M NaOH. What is the Molarity of the acid
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