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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.
How many grams of zinc will be deposited from a solution of zinc (II) sulfate by 3.40 faraday of electricity
If nitrosyl bromide, NOBr, is 34 percent dissociated at 25°C and the total pressure is 0.25 atm, calculate Kp and Kc for the dissociation at this temperature.
what percentage of HSO4- is dissociated in 2M solution? Why does molarity approximate molality at low concentrations?
a, The height of Niagra Falls is 51 meters. Calculate the Potential Energy of 1g of water at the top of the falls relative to the ground level. b, What would be the increase in temperature of the water if all Kinetic Energy were converted to heat.
what is the molecular formula of the compounds created by fecl3
What is the minimum (least negative) cathode potential (versus SHE) needed to electroplate silver onto cutlery in a solution of Ag+ and NH3 in which most of the silver ions are present as the complex Ag(NH3)2+, and the concentration of Ag+(aq) is ..
CaCO 3 ( calcium carbonate ) is insoluble in water. would this ionic compound conduct electricity. why/why not.
Barium metal crystallizes in a body centered cubic lattice. the unit cell edge length is 502 pm and the density of the metal is 3.50g/cm3. using the information, calculate the avogadros number. assume 68% of the unit cell is occupied.
Explain why a determination of the rate law can never prove a proposed reaction mechanism but can sometimes disprove
0.65 of sodium hydroxide (NaOH) pellets are dissolved in water to make 2.5L of solution. What is the pH of this solution
Explain why higher levels of defects are found in solids at high temperatures and close to their melting points.
Rb has two naturally occurring isotopes 85Rb and 87Rb, with masses 84.9118 amu and 86.9092 amu, respectively. The average atomic mass is 85.468 amu.
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