Problem based on second-order reaction
The second-order reaction 2 Mn(CO)5 Mn2(CO)10, has a rate constant equal to 3.0 x 10^9 M-1 s-1 at 25°C. If the initial concentration of Mn(CO)5 is 2.0 x 10-5 M, how long will it take for 90.% of the reactant to disappeard?
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Methane and air in stoichiometric proportions are brought into a calorimeter at 500K. The product compositions is brought to the ambient temperature of 298K by the cooling water.The pressure in the calorimeter is assumed to remain at 1 atm, but th
The small bubbles that form on the bottom of a water pot that is being heated (before boiling) are due to dissolved air coming out of solution.Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen ga
A sample of gas is collected over water at a temperature of 35 c when the barometric pressure reading is 742 torr. What is the partial pressure of the dry gas?
The bolt holes in the flange at A were supposed to align with the mating holes in the wall support; however, an angular misalignment of 4o was found to exist.
It is required to dewater a construction site 80 m by 80 m. The bottom of the construction will be 1.5 m below the initial water surface elevation of 90 m.
After balancing of the equation for the reaction under basic conditions, Bi2O3(s) + OCl-(aq) --> Cl-(aq) + BiO3-(aq) what is the sum of ALL the coefficients in the equation?
A 25.00-mL sample of propionic acid, CH3CH2COOH, of unknown concentration was titrated with 0.104 M KOH. The equivalence point was reached when 35.31 mL of base had been added. what is the concentration of the original propionic acid ?
The rig shown consists of a 1200-lb horizontal member ABC and a vertical member DBE welded together at B. The rig is being used to raise a 3600-lb crate at a distance x=12 ft from the vertical member DBE.If the tension in the cable is 4 kips.
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