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An equilibrium mixture of H2, I2 and HI at 458 C contains 0.112 molH2, 0.112 mol I2, and 0.775 molHI in a 5.00-L vessel. A) What are the equilibrium partial pressure of HI when equilibrium is reestablished following the addition of 0.200 mol of HI? B) What are the equilibrium partial pressure of I2 when equilibrium is reestablished following the addition of 0.200 mol of HI? C) What are the equilibrium partial pressure of H2 when equilibrium is reestablished following the addition of 0.200 mol of HI?
A .647 L sample of hydrogen chloride (HCl) gas at 1.12 atm and 23°C is completely dissolved in 885 mL of water to form hydrochloric acid solution. Calculate the pH of the solution.
A swimming pool measures 25 meters wide by 145 meters long by 1 meters deep. How many gallons of water are required to fill the pool?
2 mol of a compound is allowed to react in a foam coffee cup that contains 101 grams of water. the reaction caused the temperature of the water to rise from 21 to 24.7 C. What is the enthalpy of the reaction?Assume that no heat is lost to the surr..
Determine the partial pressure. Calculate the total pressure and volume in liters at STP of Nitrogen, Helium and Neon mixture.
Identifying an unknown hydrocarbon, Is it possible to identify what the hydrocarbon is with just knowing the volume of it (9.61 ml), the mass (7.669 g/ml), density (0.798 g/ml)?
An aqueous solution is 22.0% by mass silver nitrate, AgNO3, and has a density of 1.22 g/mL. What is the molarity of silver nitrate in the solution?
The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively. How much heat (kJ)
calculate the activation energy for a reaction if its rate constant increases from 10 to 45 s as the temperature increases from 298 to 315 k .
Electrophilic Substitution, Which compound is more reactive toward electrophilic substitution (e.g., nitration)? Explain you reasoning.
A piece of metal of mass 13 g at 103?C is placed in a calorimeter containing 53.5 g of water at 21 ?C. The ?nal temperature of the mixture is 57.2 ?C. What is the speci?c heat capacity of the metal.
Compute the density of dry air and molar mass at zero degree Celsius temperature and 1.0 atm of pressure.
A sample of an unknown gas effuses in 11.7 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.23 min. What is the molar mass of the unknown gas?
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