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The reaction a->b=c is found to be a zero order. If it takes 4.3 x 10^2 secounds for an initial conventration of A to go from .50 M to .25 M, what is the rate constant for the reaction
Trouble understanding the relationship between the Ka and how acidic a chemical is. Is it safe to say that the more acidic a chemical is the higher the Ka value will be
What is the mole fraction of Kr if the partial pressure of Xe and Ar are 1.60 atm and 2.8 atm, respectively?
An analysis shows that you need to neutral 3.27 meq/100gof acidity. How much of finely ground pure CaCO3 (in grams) is required to neutralize the acidity of this soil?
After the washing in this preparation, the 1-bromobutane was treated with anhydrous sodium sulfate
Express the concentration of a .0560 M aqueous solution of flouride, F-, in mass percentage and in parts per million. Assume the density of the solution is 1.00g/mL.
The reagents available other than DI water are 3.0 M solutions of any acid or base that you may need. How would you go about preparing this buffer
What is the minimum amount of hydrogen gas in grams required to completely hydrogenate 12.5 Kg of 2-butene?
For the concentration of hydroxyl radical of 7.5E06 molecules/cm3 and a carbon monoxide concentration of 18 ppm, calculate the rate of its reaction with atmospheric carbon monoxide at 11 degrees C.
Nitric oxide has a density = 1.782 g/L at the temperature of 12.64 degree celsius and pressure of 670.7 mm Hg determine the mass percent of Sulfur dioxide?
What is the pH of the solution when the titration is half way to the end point?
write the rate law for each elementary reaction in the mechanism. D) if the first step is slow and the second one is fast, what rate law do you expect to be observed for the overall reaction.
The conditions of a gas change in a steady flow process from 20 degrees C and 1000 kPa to 60 degrees C and 100 kPa. Devise a reversible nonflow process
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