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A system at equilibrium contains I2 (g) at a pressure of 0.41 atm and I (g) at a pressure of 0.32 atm. The system is then compressed to half its volume.
Find the pressure of I2 (g) when the system returns to equilibrium.
Find the pressure of I when the system returns to equilibrium.
if the methane contained in 4.00 l of a saturated solution at 25 circ rm c was extracted and placed under stp
Discuss the similarities and differences between competitive and noncompetitive enzyme inhibition.
suppose that coal of density 1.5 gcm3 is pure carbon. it is in fact much more com- plicated but this is a reasonable
A solution of ethanol (C2H5OH) in water is prepared by dissolving 56.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 255.0 mL of solution. What is the molarity of the ethanol in this solution?
Exactly 100 mL of 0.15 M HNO2 is titrated with a 0.15 M NaOH solution. What is the pH at the equivalence point. The Kb of NO2- is equal to 2.2 x 10-11.
at constant volume the temperature of a sample of sulfur dioxide gas is decreased from 97 oc to 27 oc.nbsp what was the
calculate the molar mass of an unknown compound based on the following data. a mixture containing 1.11g of the unknown
What is the pH after 13.3 mL of base is added? The Ka of butanoic acid is 1.5 X 10^-5.
nickel acetate in a volumetric flask and add water to a total volume of 375 mL What is the concentration of the nickel cation? What is the concentration of the acetate anion?
You have 75.0 mL of a 2.50 M solution of Na2CrO4(aq). You also have 125 mL of a 1.52 M solution of AgNO3(aq). Calculate the concentration of CrO4 2- after the two solutions are mixed together.
Zinc reacts with hydrocholric acid according to the reaction equation. Zn(s) + 2HCl(aq) arrow ZnCl2(aq) + H2(g) How many milliliters of 2.50 M HCl(aq) are required to react with 7.5 g of Zn(s)
An anesthetic contains 64.9 % carbon, 13.5 % hydrogen, and 21.6 % oxygen by mass. At 120 degrees C and 750 mmHg, 1.00 L of the gaseous compound weighs 2.30 g.
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