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Calculate the equilibrium constant at 25 degrees celsius for the reaction 4Fe+(aq) + O2(g) + 4H+ ----> Fe3+(aq) + 2H2O(l).
Complete combustion of a hydrocarbon is a reaction where oxygen reacts with the compound to yield carbon dioxide and water. What is the correct balanced equation for complete combustion of CH4
What is the balanced education and stoichiometric reagents needed with mole calculations of 1 sodium hydroxide pellet(0.075 to 0.095 g) and 0.24 g acetophenone and 0.11 g benzaldehyde
A sample of gas is collected over water at a temperature of 35.0?C when the barometric pressure reading is 625 torr. What is the partial pressure of the dry gas, given PH2O = 42.2 torr?
Draw the energy profile diagram to show the possible intermediate and the transition states.
sulfate dissolves as follows: Na2SO4(s) → 2Na+(aq) + SO42- (aq). How many moles of Na2SO4 are required to make 1.0 L of solution in which the Na concentration is 0.10 M?
A 0.00445 mol sample of a weak acid, HY, is dissolved in enough water to form 0.0976 L of solution. If the pH of the solution is 4.02, what is the Ka of HY? Use E notation with 3 significant figures.
A 30.00 mL volume of a weak acid, HA, (Ka = 3.8 x 10^-6) is titrated with 39.00 mL of 0.0958 M NaOH to the equivalence point. What is the pH of the analyte solution before any base is added to it
Calculate the % atom economy for the following two methods for converting benzene, C6H6, to aniline, C6H5NH2
how many meters away is a cliff if an echo is heard one half second away? assume that sound ws traveled at 343 m/s on that day.
three gases hydrogen helium and krypton are confined in a 7.00 l vessel at a pressure of 13.0 atm. the vessel contains
what mass of calcium carbonate is required to react with 137.8 mL of a 0.6943 M sulfuric acid solution?
If the sunlight consists of photons with an average wavelength of 510.0 nm, how many photons strike a 3.20 cm2 area per second?
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