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Part A.1. Consider the following reaction at a certain temperature:SO2(g) + NO2(g) ? SO3(g) + NO(g)Calculate the equilibrium constant for the reaction at that temperature of at equilibrium the partial pressures are PSO2 = PNO2 = 0.50 atm, and PNO = PSO3 = 2.0 atm.2. Assume that at equilibrium one has the partial pressures of the given species in Part 1. Then suppose enough SO2 and NO2 are added to raise both their partial pressures temporarily at 2.00. What are the partial pressures of all the species when equilibrium is re-established?Part B.A 1.00 M solution of NaHSO4 is found to have a pH of 1.022. What is the Ka of this acid?Part C.Consider the titration of 50.0 mL of 0.15 M benzoic acid (C6H5COOH, Ka = 6.3 x10-5) with 0.20 M NaOH. (You can use HBen for benzoic acid)
1. What is the pH when 30.0 mL of base is added?2. How many mL of NaOH are required to reach the equivalence point?3. What is the pH at the equivalence point?Part D.Ksp for PbCrO4 at 25oC is 2.0 x 10-14. A sample of 1.000 mg of PbCrO4 is added to 1.0 L of water at this temperature.
1. How many milligrams of PbCrO4 dissolves?
2. How many milligrams of PbCrO4 remains undissolved?
3. If 1.000 mg of PbCrO4 are added to 1.00 L to 0.100 M Na2CrO4 at 25oC, how many mg of the PbCrO4 dissolves?
Air contains nitrogen, oxygen, argon, and trace gases. If the partial pressure of nitrogen is 587 mmHg, oxygen is 158 mmHg, argon is 7 mmHg, and the trace gas pressure is negligible, what is the atmospheric pressure
the explosive tnt is composed of 37.0 carbon 2.2 hydrogen 18.5 nitrogen and the rest oxygen. if the molar mass of tnt
When 2.20 grams of Cr(CO)6 reacts according to the following equation at 400 °K in a closed system the temperature goes down and 5.2 kJ of hear is absorbed
as molecules move up fractional distillation column they condense and then revaporize. durring which of these steps is
Write equations that show the process for the first two ionization energies of tin. Express your answer as a chemical equation.
Determine the molarity of a solution of sodium hydroxide (NaOH) if 27.9 mL of this solution combines exactly with 22.30 mL of 0.253 M
Xenon gas is released during a certain chemical reaction and pushes back the atmosphere with a change in volume of the vessel (it has a movable piston) from 2 to 20 Liters. Calculate the work done by this release of gas.
If an aluminum scuba tank contains compressed air at 2750 psi, what is the pressure in torr
If 158 mL of wet H2 is collected over water at 24C and a barometric pressure of 737 torr, how many grams of Zn have been consumed?
If 17.2 mL of 0.800 M hydrochloric acid solution are required to neutralize 5.00 mL of a household NH3 solution, determine the molar concentration of the NH3,ammonia?
Calculate the energy change for the reaction K(g) + I(g) → K+(g) + I- (g) given the following ionization energy (IE) and electron affinity (EA) values. IE K = 419 kJ/mol, IE I = 1010 kJ/mol; EA K = 48 kJ/mol. EA I= 295 kJ/mol
Heating potassium chlorate KClO3, yields oxygen gas and potassium chloride. What volume, in liters, of oxygen at 23 degrees C and 760 torr is produced by the decomposition of 4.42 g potassium chlorate
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