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Estimate the free energy change (?Grxn) for the following reaction at 298 K, if each gaseous substance is present at p = 0.30 atm.2H2(g) + O2(g) ? 2H2O(l)Enter your answer in kJ.
Why it is important that any aldehyde used in Witting reaction be free of carboxylic acid impurities?
Calculate the energy of attraction (in eV) between a cation with a valence of +2 and an anion with a valence of -3,
If 2.09 g SO2 react with excess oxygen and water, how many grams of H2SO4 are produced?
The calorimeter cup had several millimeters of water in it when you added the HCl in Step 16: b.) The base solution was added to the acid solution but was not stirred while temperature measurement were not made: c.) Some of the base splashed out o..
If 27.2 mL of NO2 gas is completely converted to N2O4 gas under the same conditions, what volume will the N2O4 occupy?
Aqueous solutions of each of the following salts {sodium acetate, sodium phosphate, sodium formate, and sodium carbonate} have a pH that is > 7. The reason for this is that the anion undergoes a so-called "hydrolysis reaction".
Calculate the number of millimoles of HCl needed to reach the methyl orange end point. b. How many millimoles of Na2CO3 reacted with the HCl?
Which of the following would be expected to have the lowest freezing temperature?
What is the origin of the charge neutrality requirement in solids? Why must solids have charge neutrality in the bulk,
How many moles of Barium nitrate must be added to 325mL of 0.20M Iron (III) nitrate to increase the concentration of nitrate ions in the solution to 1.25M.
Calculate the equilibrium constant KP if the total pressure is 2.6 atm at that temperature.
The rate constant increases by a factor of 2.00 when the temperature is increased from 80 C to 115 C. estimate the arrhenius activation energy.
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