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Calculate the potential developed bya voltaic cell using the following reaction if all dissolved species are 0.015M.
2 Fe+2(aq) + H2O2(aq) + 2 H+(aq)--->2 Fe+3(aq) + 2 H2O(l)
Calculate the final temperature when a 25.6 gram sample of ice at 0oC is placed into a styrofoam cup containing 115 grams of water at 75.0 oC. Assume that there is no loss or gain of heat from the surroundings.
Carbon is a fascinating element that is capable of forming four covalent bonds.
A 10.0 mL sample of sulfuric acid from an automobile battery requires 35.08 mL of 2.12 M sodium hydroxide solution for complete neutralization.
The vapor pressure of pure water at 70°C is 240. mm Hg. What is the vapor pressure depression of a solution of 150. g of the antifreeze ethylene glycol, C2H6O2, a nonvolatile compound, in 215 g of water?
Which element requires the least amount of energy to remove the most loosely held electron from a gaseous atom in the ground state?
Hydrochloric acid reacts with aluminum to form aluminum chloride and gseous hydrogen. What's the mass of aluminum required to produce 1.0kg of aluminum chloride if there is excess acid?
Compute the heat amount required to heat a 3.9kg gold bar from 28 degree Celsius to 68 degree Celsius. Given Specific heat capacity of gold = 0.128 J/g°C.
Determine how many grams of aluminum hydroxide will get from 18.2g of aluminum sulfide and determine the density of this newly minted penny
Why is normalization of a probability distribution important? What would one have to consider when working with a probability
hydroxylamine nitrate contains 29.17 mass % N, 4.20 mass % H, and 66.63 mass O. If its molar mass is between 94 and 98 g/mol, what is its molecular formula?
A Flask contains 0.320 mol of liquid bromine,Br_2. Determine the number of bromine molecules present in the flask.
Calculate the amount of heat required to completely sublime 78g of solid dry ice at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3kJ/mol .
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