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When heated, cyclopropane is converted to propene. Rate constants for this reaction at 470 deg C and 510 deg C are k= 1.10 x 10^-4 and k2=1.02 x 10^-3. Determine the activation energy.
Use the standard half-cell potentials listed below to calculate the standard cell potential for the following reaction occurring in an electrochemical cell at 25°C.
A solution is prepared by adding 0.100g of solid NaCl to 50.0mL of 0.100 M CaCl2. What is the molarity of the chloride ion in the final solution. Assume that the volume of the final solution is 50.0 mL
A tank containing carbon dioxide at 400K and 50 bar is vented until the temperature in the tank falls to 300K. Assuming there is no heat transfer between the gas and the tank
A compound is 40.0 , 6.70 , and 53.3 by mass. Assume that we have a 100.- sample of this compound.The molecular formula mass of this compound is 180 . What are the subscripts in the actual molecular formula?
If a 0.10 M solution of an acid has a pH of 4.5, what would be the predicted pH of a 0.10 M solution of the conjugate and why
How many moles of O2 are required for the complete reaction of 43.5 g of C2H4 to form CO2 and H2O
Use this equation to calculate the wavelength of the photon emitted in units of nanometers for the following transitions.
Using appendix C compare entropies at 25 degrees C for the following pairs of substances. For each pair, explain the difference in the entropy values.
The pKa of acetic acid, HC2H3O2, is 4.76. A buffer solution was made using an unspecified amount of acetic acid and 0.30 mol of NaC2H3O2 in enough water to make 1.50 L of solution.
for a first-order reaction. at 750 k 15 of a sample of cyclopropane changes to propene in 6.8 minutes. what is the
what is the expected freezing point of an aqueous solution of 2.62 kg of nitric acid hno3 in a solution with a total
ultraviolet light strikes a metal plate and ejects electrons having kinetic energy E = 2.04 eV. Calculate the binding energy of an electron at the metal surface.
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