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If a power plant burning 10,000 metric tons of coal per day with 6% excess air emits stack gas containing 222 ppm by volume of NO, what is the daily output of NO(in metric tons /day) ? (Assume coal is pure C).
PH And Percent Ionization, 1. Determine the pH and the percent ionization in a 0.50M solution of KOBr. The Ka for HOBr = 2.5 x 10 ^ -9.
which 1.0 m acid solution has the largest concentration of hydronium
What amino acid would provide a suitable buffer at pH 7.0 when made up with NaOH and why. How many grams of this amino acid and what volume of the 0.1 mol/L NaOH would you mix to make 500 mL of a 0.01 mol/L solution of this buffer.
At 125°C, Kp = 0.25 for the following reaction. 2 NaHCO3(s) Na2CO3(s) + CO2(g) + H2O(g) A 1.00 L flask containing 14.8 g NaHCO3 is evacuated and heated to 125°C.
a total alkalinity of 0.003 equivalents/Liter (the former determined by use of a PH meter, and the latter determined by titration with standardized acid to a methyl orange endpoint). Calculate [CO2]
Derive an expression for (δU/δV)T for a gas that obeys the van der Waals equation of state.
a zero-order reaction has a constant rate of 3.70times10-4 . if after 45.0 seconds the concentration has dropped to
Consider a piece of gold jewelry that weighs 9.78 g and has a volume of 0.680 cm3. The jewelry contains only gold and silver, which have densities of 19.3 g/cm3 and 10.5 g/cm3, respectively.
A 120.0mL buffer solution is 0.105M in NH3 and 0.135M in NH4Br. What amount of HCl could this buffer neutralize before it fell below 9.0 pH
A chemist needs to determine the concentration of a solution of nitric acid, HNO_3. She puts 865 mL of the acid in a flask along with a few drops of indicator.
Ethene burns in air according to C2H4 + 3O2 = 2CO2 + 2H2O. What is the theoretical yield of CO2 when 1.62 g of C2H4 are reacted with 2.42 g of O2
Upon taking the IR spectra of decanedioyl chloride and nylon 6,10, which of the 2 molecules would you expect to have a higher C=O stretching frequency and why
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