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The value of Kc=2.20 x 10^-10 for the equilibrium: COCl2(g)=Co(g)+Cl2(g) If the concentration of Cl2 at equilibrium=4.80x10^-6M, What are the equilibrium concentrations of the other two substances? (CO) and (COCl2) Also what was the initial concentration of COCl2?
A student added 100 mL of 0.10M NaOH to 250 mL of a buffer that contained 0.15M HC2H3O2 and 0.25M C2H3O2. What is the concentration of HC2H3O2 after the addition of the strong base
Barium sulfate is used clinically to provide x-ray images of the digestive tract. How might barium sulfate be prepared in the laboratory from a double-displacement reaction of an ionic nitrate compound and sodium sulfate?
Calculate the pH of the solution after the addition of 30ml of 0.1M NaOH. Draw the structure of the form is His predominating in solution at neutral pH.
solid sodium hydroxide is dissolved in 127.3 g of water at 22.0 C in a perfect calorimeter. Assuming the heat capactity of the solution is the same as water, what is the final temperature of the solution?
After heating, 37.19 grams of the anhydrous compound remained. What is the formula of the hydrate?
In an experiment, 1.26 grams of iron combines with oxygen to give a compound that has a mass of 1.80 grams. What is the empirical formula of the compound?
Write out the Michaelis-Menten model for an enzyme catalyzed reaction. State at least two assumptions that must be made for enzymes that follow the Michaelis-Menten model.
What is the hydroniem ion concentration in a solution resulting from mixing 193mL of .100M HCN and 22mL of .100M KOH at 25C? Ka for HCN=4.9x10-10
a rigid ball contain 25.0 liters of air at 22 degree Celsius and 6.25atm pressure was placed in an oven at a temp of 100degree what was the new pressure inside the ball.
A molecule of ethyl alcohol is converted to acetaldehyde in one's body by zero order kinetics. If the concentration of alcohol is 0.018 mol/L and the rate constant
Draw a reasonable Lewis structure for POCl3. Assign formal charges for the atoms in your Lewis structure. Draw a second legitimate resonance contributor for POCl3
Consider the reaction when aqueous solutions of barium acetate and chromium(III) iodide are combined. The net ionic equation for this reaction is
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