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A certain reaction has an activation energy of 61.0 kJ/mol and a frequency factor of A1 = 2.00×10^12M^-1s^-1. What is the rate constant, k, of this reaction at 29.0 degrees celsius?
Why is it preferable to use a metal ion buffer to achieve pM = 7, rather than just dissolving enough M to give a 10-7 M solution?
assuming an Sn2 reaction mechanism, predict the major organic product(s) of (s)-3,3-dimethyl-2-butanol when reacted with HCl.
A sample of oxygen that occupies 1.00x10^6mL at 575 mmHg is subjected to a pressure of 1.25 atm. What will the final volume of the sample be if the temperature is held constant?
Using Le Chatelier's Principle to predict the effect of a change in conditions on a chemical equilibrium - Predict how the equilibrium of the following reactions will be affected by the changes listed.
The redox reaction of peroxydisulfate with iodide has been used for many years as part of the iodine clock reaction which introduces students to kinetics. If Eºcell = 1.587 V and Eº of the anode half-cell is 0.536 V, what is Eº of the cathode half..
disubstituted alkene was formed in which the olefinic protons exhibited a vicinal coupling of 9.0Hz in the H NMR. What is the stereochemistry
Liquid nitrogen has a density of 0.808g/ml at 77 K. A sample of 2.5 L of liquid nitrogen is allowed to evaporate at 21°C and 1.00 atm of pressure. what volume will the nitrogen gas occupy?(keep your phases straight)
A 1.00 g sample of an unknown gas occupies 418 mL at 23.0 oC and 715 torr. Calculate the density at 23.0 oC and the molar mass of the gas.
What are the methods of Atomic absorption to detect unknown solution
Hydrogenation reactions are used to add hydrogen across double bonds in hydrocarbons and other organic compounds. Use average bond energies to calculate DELTA Hrxn for the following hydrogenation reaction:
If 5 mL of the original unknown sample was diluted to 200 mL prior to analysis, what is the concentration of Li+ in the original solution?
When one mole of solid NaOH is dissolved in 1L of solution, 44.5kj of heat are released. How much heat is released when 1.00g of NaOH is dissovled in 100.0mL of water?
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