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The first step in industrial nitric acid production is the catalyzed oxidation of ammonia. Without a catalyst, a different reaction predominates: 4NH3(g) + 3O2(g) ? 2N2(g) + 6H2O(g) When 0.0230 mol gaseous NH3 and 0.0250 mol gaseous O2 are placed in a 1.00 L container at a certain temperature, the N2 concentration at equilibrium is 2.20×10-3 M. Calculate Keq for the reaction at this temperature.
If you have 4.26 g of caffeine dissolved in 94.6 mL of water and the extraction coefficient between H2O and CH2Cl2 is 21.51. How many grams of caffeine will extract into the CH22Cl2 layer if you use 59.9 mL
how do you find the concentraton of an isotope from its molarity and molecular weight with no other factors
calculate the mass of water that must be added to 0.45 mol of glucose to make a solution of 15.0 percent by mass. the molar mass of glucose is 180 g/mol
calculate the expectation value ltrgt for the 3p state of the hydrogen atom. would ltrgt be greater or smaller for the
An experiment was performed to determine the solubility and the solubility product constant of lead(II) chloride (gmm = 278.10).The equilibrium involved is
Initially A sample of a substance of 23.43 g weight has temperature 24.2 °C then it absorbs heat and reached to temperature 122.0 degree Celsius; calculate the specific heat of this substance if it absorbs 2167 joule heat
Calculate the expected change in temperature for 1.7 g of NH NO dissolved in 50.0 2 cal mL of H O. Assume that the calorimeter absorbs no heat. (ie. C =0)(Remember to use dimensional analysis
A mixture of 8.50 g He and 26.5 g Ne has a pressure of 880. mm Hg. What is the partial pressure of each of the gases?
For AuCl, Ksp = 2.0 x 10-13 at 25°C. What is the solubility of AuCl at this temperature?
In one experiment, the mass of water is 93.0 grams, the initial temperature of the water is 67.2oC, the mass of liquid nitrogen added to the water is 57.8 grams, and the final temperature of the water, after the liquid nitrogen has vaporized, is 3..
What is the percent ionization of a 0.060 M solution of benzoic acid ( a monoprotic acid with Ka= 6.5 * 10^-5)
Determine concentrations of Ca2+, HCO3-, CO32-, and H2CO3. Examine the charge balance and comment on what else your neighbor might be doing.
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