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Consider that the synthesis of gas C takes place in a 2.0 L container, and assume that the composition of the starting reaction mixture is as follows: 4.0 moles of A, 4.0 moles of B, and 0 moles of C.
A(g) + B(g) 2C(g) Kc = 25.0
The system reaches equilibrium state and next the volume of the container is increased to 10.0 L. What is finally the % yield of the reaction?
If 2.0 x 10^23 argon atoms strike 4.0 cm^2 of wall per second at a 90 degree angle to the wall moving with a speed of 450 m/s. what pressure (in atm) does the gas exert on the wall
What is the pH of a 1L buffer containing 1.5M Acetic Acid and 1.0M Sodium Acetate? What is the pH of the buffer when 0.5 moles of NaOH is added to solution? Assume no change in volume.
A 25.0-mL sample of potassium chloride solution was found to have a mass of 25.115g. When the solution was heated to dryness, the mass of the solute residue was 0.252g. Calculate the (a)mass/mass % concentration and (b) molar concentration.
The density of solutions are assumed to be the same as water. If the density of all 3 solutions was actually 1.1 g/mL, how would the heat of the reaction be affected?
what is the molar mass of gas if 0.250 g of the gas occupies 215 mL at 61 8mmHg and 30. 0C
The B4O5(OH)4^2- ion present in 5 ml of a saturated Na2B4O5(OH)4 solution at a measured temperature is titrated to the bromocresol endpoint with 3.25 ml of .291 M HCl.
Problem- You are the supervisor in a car assembly plant where each car produced requires one body and four wheels. You have 200 bodies and 900 wheels. How many cars can be made from this inventory? How does this problem fit in with Chemical Bondin..
A person is considered legally intoxicated with a blood alcohol level of 80 mg/dL. Assuming that blood plasma has a density of 1.025 g/mL, what is this concentration expressed in parts per million
The solubility of O2 in water is 0.590 g/L at an oxygen pressure of 15 atm. What is the Henry's law constant for O2 (in units of L atm/mol)
The equilibrium constant, Kp, for the following reaction is 0.497 at 500 K: PCl5(g) PCl3(g) + Cl2(g) Calculate the equilibrium partial pressures of all species when PCl5(g) is introduced into an evacuated flask at a pressure
What is the conjuate base of HPO4^2- C. Which acid has the weaker conjugate base. D. which acid has the stronger conjuate base. E. which acid produces more ions
What is the molarity of a sodium hydroxide solution if 34.26 mL react with 0.337g of sulfamic acid
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