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A sample of N2O4(g) is placed in an empty cylinder at 25oC. After equilibrium is reached, the total pressure is 1.5 atm and 16% (by moles) of the original N2O4 (g) has dissociated to NO2(g). N2O4 (g)2NO2(g) a) Calculate the value of Kp for this dissociation reaction at 25 oC. b)If the volume of the cylinder is increased until the total pressure is 1.0 atm andthe temperature of the system remains constant, calculate the equilibrium pressure of N2O4(g) and NO2(g).
if 0.10M aqueous solutions are prepared of each of the following acids, which produces the solution with the lowest pH?
what is the minimun number of coulombs required to produce 1.06 mol of gold?
When 50. mL of 0.50 M formic acid is titrated with 0.50 M sodium hydroxide, calculate the pH when half of the formic acid has been neutralized, and at the equivalence point (be sure to account for the change in volume at each step). Select a good ..
For a hypothetical gas-phase reaction that is second order in A and third order in B, by what factor does the rate change if pA is decreased by 4 times and pB is doubled
given the equation aaq 2baq 3caq 2daq. 45.0 ml of 0.050 m a is mixed with 25.0 ml 0.100 m b. at equilibrium the
Determine the theoretical volume of NaOH it should take to neutralize the sulfuric acid in the equilibrium reaction mixture.
Calculate DE, and determine whether the process is endothermic or exothermic for the following cases: A system releases 43 kJ of heat to the surroundings and has 665 kJ of work done on it by the surroundings.
A syringe containing 1.42 mL of oxygen gas is cooled from 99.7 C to 0.6 C. What is the final volume of oxygen gas
A 494 mL sample of hydrogen gas was collected over water at 25°C and a pressure of 753 torr. If the pressure of water vapor is 24.0 torr at 25.0°C, what mass of hydrogen gas (g) was collected? Do not enter units with your answer.
For the reaction: N2(g) + 2 O2(g) ? 2 NO2(g), Kc = 8.3 × 10-10 at 25°C. What is the concentration of N2 gas at equilibrium when the concentration of NO2 is twice the concentration of O2 gas.
on one column two peaks have resolution 0.9 not completely resolved. calculate resolution for the same components on
the heat of fusion of ice at this temperature is 5610 J/mol. Find entropy change of the universe when 3mol of water freezes at -10degreesC
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