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The activation energy for a particular reaction is 64 kJ/mol. By what factor will the rate constant increase when the temperature is increased from 50 oC to 80 oC?
when most Fe+3 salts are dissolved in dilute nitric acid, the solution is often yellow to orange in color. Why could you not visually detect these colors in the Fe(NO3)3 stock solution?
Use the results of your calc. in analysis and int. item 2 and the mole ratio from equation in analy. And int. item 3 to determine the moles of vinegar.
Calculate the PH of this solution.
What is the pH of 270.0 mL of an aqueous solution containing 0.525 g of the strong acid trifluoromethane sulfonic acid (CF3SO3H)?
What is the rate constant of a first-order reaction that takes 343 seconds for the reactant concentration to drop to half of its initial value?
write four balanced equations for the reactions to separate and recover m-nitroanilin benzoic acid and naphthalene.
What is the rate of entropy generation within the tank? 3.) If we duplicated the stream conditions (temperatures, pressures, and flowrates) with an internally reversible process, what is the maximum rate at which work could be obtained?
Calculate the concentration of Na+ ions (in mol/L) for each of the following. a) A 41.0 mL sample of 2.0 M Na3PO4 which has been diluted to 300.0 mL b) 8.50 g Na2CO3•5H2O(s) is made up in a total volume of 3.50 L
The air pollutant NO is produced in automobile engines because of the high-temperature reaction below. If the initial concentrations of N2 and O2 at 1000 K are both 1 M, what are the concentrations of NO, N2, and O2 when the reaction mixture reach..
When chromium crystallizes, it forms body-centered cubic cells. The unit cell edge length is 288.7 pm. Calculate the density of chromium
the minimum concentration of the gas, in air, below which there is too little fuel to support combustion; For propane, the LFL is 2.1 mol-%; What is the mol fraction of propane in the air at the stoichiometric concentration?
How long would it take for 1.50 mol of water at 100.0 C to be converted completely into steam if heat were added at a constant rate of 21.0 J/s?
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