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What is the molar concentration of cleaning solution formed where 8.8 L of ammonia gas at 33 degree c and 0.967atm, dissolve in water to give final volume 0.75 L.
What causes the colors of these complexes? How do these colors relate to the expected positions of these ligands in the spectrochemical series?
The rate constant for the second- order reaction.starting with a concentration of 0.86m, calculate the concentration of NOBr after 57s.
Which one of the following processes involves a decrease in entropy. A) the decomposition of NH3(g) to H2(g) and N2(g B) The condensation of steam to liquid water C) The sublimation of CO2 from solid to gas D) The evaporation of ethanol E) The dis..
Calculating concentration in equilibrium, At pH 6.00 and pE 2.60, what is the concentration of Fe2+ (mol/L) in equilibrium with Fe(OH)3?
What statement in incorrect about the following pairs of sugars? Galactose and mannose are diastereomers
A mixture of gases contains 5.00 grams of Ne, 5.00 grams of O2, and 5.00 grams of CO2. What is the mole fraction of each gas. What fraction of the total pressure of the gas mix is due to each gas. If the gases are in a 25.0 L container at 25°C, wh..
Calculate the pH of the buffer if 2.0 mL of 0.0125 M HCl is added to the buffer prepared in question 3. What is the % change in the pH of the buffer?
describe why benzoic acid and 4-nitroaniline must be air dried for such a long time or placed in an oven before taking a final mass and finding the melting point
NH4NO3 absorbs 25.69KJ of heat per mole dissolved in water. In a coffee-cup calorimeter, 5.60 g NH4NO3 is dissolved in 100.0g of water at 22.0C(temp). What is the final temperature of the solution? Assume that the solution has a specific heat capa..
What will happen to the retention time if the flow rate is increased What will happen to the retention time if the temperature of the column is increased
a solution is made by dissolving 31.0 g of naoh in approximately 450 ml of water in a volumetric flask. the solution
Ammonium Carbonate, NH4CO2, decomposes as follows: NH4CO2NH2(s) -> 2NH3(g) + CO2(g) Starting with only the solid, it is found that at 40C the total gas pressure is .363 atm. Calculate Kp.
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