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The speed of a chemical reaction depends on the activation energy, frequency and orientation of the shocks. Then, if the speed of a reaction becomes approximately double, when the temperature is raised by 10 ° C, what is the activation energy of this reaction (expressed in kJ mol -1), in case the initial temperature is 27 ° C?
Although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. Complete the mechanism and draw the missing substances.
What is the radius of the cross section of a cylinder that has a volume of 644.0 m3 and a height of 12.6 m? (Volume=πr2×height)?
A compound contain 82.7% C and 17.3% hydrogen. The density of its vapor at STP is 2.59 g/L. Assume the molecular mass of O2 is 32.0. What is the molecular formula of the compound?
Determine what %by weight of sodium carbonate does it contain if the specific gravity of the silver nitrate solution = 1.25?
Explain what connection is there between this contrasting behavior of metal as well as nonmetal oxides and ionization energies
What differences are noticed when a acid or base is added to distilled water as compared to the buffer solutions
Calculate the required quantity of the reagent and the volume of water that must be added for dilution.
In what order would the subsequent proteins be eluted from DEAE cellulose anion exchanger by a rising salt gradient: cytochrome c (pI, 10.6), pepsinogen (pI, 1.0) and myoglobin (pI, 6.8)
If an unknown acid was imcompletely extracted from the ether solution into the aqueous layer in this experiment, would the experimentally measured melting point value of benzophenone be affected? Why or why not
A Newtonian fluid with a viscosity of 0.38 Ns/m2 and a specific gravity of 1.03 flows through a 28 mm diameter pipe with a velocity of 2.7 m/s. Determine the Reynold number.
why potassium permanganate and oxalic acid is choose to run the experiment to determine the activation energy?
The Cd2+ was displaced from EDTA by the addition of an excess of CN-. Titration of the newly freed EDTA required 29.2 mL of 0.0120 M Ca2+ . What were the molarities of Cd2+ and Mn2+ in the original solution
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