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A 0.035 M solution of a monoprotic acid is 13 percent ionized. Calculate the ionization constant of the acid.
A 352-mL container of nitrogen is held at a pressure of 791 mm Hg. What volume container would be lowered to 649 mm Hg?
the bright-red color of highway safety flares comes from strontium ions in salts such as srno32nbspand srco3. burning a
The NaHCO3 is the limiting reactant and the HCl is the excess reactant in this experiment. Determine the theoretical yield of the NaCl product.
Balance the equation in acidic solution and determine how much of a 0.850 M K2 Cr2 O7 solution is required to completely dissolve 5.25 g of Cu.
A number of reaction mixtures did not become colorless within five minutes after the addition of bromine in acetic acid. Those solutions were put in a dark place and examined after one hour
Calculate the change in temperature that occurs when 4.55 g of solid NaOH is added to 100.0 g of water in a constant pressure calorimeter. The specific heat of the solution
Zinc sulfide, ZnS, is sparingly soluble under most situations. With ammonia, Zn2+, forms four complexes, Zn(NH3)2+, Zn(NH3)2+2, Zn(NH3)2+3, and Zn(NH3)2+4. Ammonia is, of course, a base, and S2- is the anion of the weak diprotic acid, H2S. Find th..
Photosynthesis in plants generate sugars such as glucose (C6H12O6) and oxygen from carbon dioxide and water. how many kilograms of oxygen are produced from photosynthesis of 330 kg of carbon dioxide
What 2 analytical methods would you use in order to determine (quantitatively/qualitatively) whether of not there is pesticide present in the water sample. Include how you would use these methods in order to determine the contamination/presence
What is the best and easy way to determine the frequency (in hz) of the interacting photon. A photon interacts with a ground state electron in a hydrogen atom and is absorbed.
How many milliliters of a 15.0% by mass solution KOH(aq) (d=1.14g/mL) are required to produce 26.0L of a solution with pH=11.50? express answer using 2 significant figures.
what is the structure of A 1:1 molar ratio of methane and oxygen, and calculate the oxygen balance
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