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Calculate the activation energy of a certain reaction from the following data: Temperature, degree C Rate Constant 24 7.41x10^-4 48 1.39x10^-1
In a chemical cold pack, two substances are kept separate by a divider. When the divider is broken, the substances mix and absorb heat from the surroundings. The chemical cold pack feels cold.
If the charge calculated in the first part of this question is passed through a cell constructed of copper electrodes immersed in an acidic solution of copper sulfate (0.5 M CuSO4/0.1 M H2SO4), what mass of copper, in mg, will be deposited on the ..
What is the [OH-] in a solution that has a [H3O+] = 1 x 10-6 M?
Calculate the equilibrium constant for the reduction of bismuth from the Bi(III) tetrachloro ion to the elemental metal.
What is the pKa for the acid HA if a solution of 0.65 M HA and 0.85 M NaA has a pH of 4.75?
Assume that the octet rule is followed for the N atom when you draw your structure(s). Pick the correct statement from the choices below.
In electrophilic aromatic substitution, why does an amide group direct substitution to a position opposite to it on the aromatic ring. The N donates electron density to the ring by induction and destabilizes the intermediate that forms meta to it
Suppose NaHCO 3 is a dominating constituent - How to find the production rate of NaHCO 3
A titration was performed with a solution of 10.00 mL of Ca(OH)2 and 25.00mL of DI water. The endpoint was reached with a 0.03192 M of HCl at a final volume of 11.25 mL.
Calculate the energy in joules required to ionize a hydrogen atom when its electron is initially in the n=2 energy level
propane reacts with oxygen in the air to produce carbon dioxide and water. In a particular experiment, 38.0 grams of carbon dioxide are produced from the reaction of 22.05 grams of propane with excess oxygen.
The work function (i.e binding energy) W, of cesium of metal is 3.43 x 10^-19 J. Calculate the kinetic energy of the ejected electron if light of frequency 1.00 x 10^15 s-1 is used for irradiating the metal.
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