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Determine the pH of a solution of 10-3 M sodium formate. (Formate is a byproduct of microbial metabolism, and can also serve as an energy source for anaerobic bacteria. It is produced natrually from degradation of organic matter, and also anthropogenically from fuel combustion.) The acid dissociation constant, Ka for formic acid is 10-3.7. Assume T=4*C and I=0.
The BF3 molecule has one A'1, one A"2 and tow E' vibrations. Does this representation account for all of the normal mode fundamental vibrations for this molecule
Suppose 312 grams of methylamine and 475 grams of oxygen are mixed together. How many grams of water should be produced?
An electric power station annually burns 3.0 x 10^7 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP.
There are two properties of a chemical system that determine whether it can happen spontaneously, if the pressure and temperature don't change. These properties are
When 1 liter of nitrogen gas reacts with 3 liters of hydrogen gas at constant temperature and pressure, how many liters of ammonia gas will be produced?
What is the minimum flow rate of water (? = 0.990 g/mL) required to scrub out 90.0% of the incoming NH3? What is the mole fraction of NH3 in the scrubbed waste gas stream?
The particles are in constant motion. The collisions of the particles with the walls of the container are the cause of the pressure exerted by the gas.
The Haber process is used in industry to produce ammonia from N2 and H2. A reactor contains NH3, N2, and H2 at equilibrium at 1000 K. The concentration of NH3 is 0.102 moles/liter, N2 is 1.03 moles/liter, and H2 is 1.62 moles/liter. Calculate the ..
If 4.5 of ammonium chloride were dissolved in 200 L of water what would be the ammonium chloride concentration in mg/L
traces of iron and titanium. If the sapphire were found to contain 0.155 g of oxygen, what is the mass of the gemstone?
A mixture of p-nitroaniline and o-nitroaniline is separated by column chromatography. which compound will be eluted first? Give reason.
A saline solution used in intravenous drips for patients who cannot take oral fluids contains 0.92% (w/v) NaCl in water. How many grams of NaCl are contained in 729 mL of this solution.
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