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Calculate the ratio kcat/kuncat.
A) A reaction has Horxn = -120. KJ/mol and a forward activation energy, Ea = 80. kJ/mol. What is the activation energy for the reverse reaction? Describe the reaction as endothermic or exothermic, and reversible or irreversible.
B) A reaction has Horxn = 5.0 kJ/mol and a forward activation energy, Ea = 55 kJ/mol. What is the activation energy for the reverse reaction?
Permanganate can be used to oxidize oxalic acid all the way to carbon dioxide. If you balance this redox reaction in acidic solution, which of the following statements about the balanced reaction is not true
Octane is a liquid component of gasoline. Given the following vapor pressures of octane at various temperatures,estimate the boiling point of octane in Leadville, Colorado, where the atmospheric pressure is 496 mmHg.
What is the nature of the forces of attraction in it. Explain in terms of their structures why each of the following pairs of substances have very different chemical and physical properties
Complete combustion of 8.60g of a hydrocarbon produced 26.4g of CO2 and 12.6 g of H2O. What is the emperical formula for the hydrocarbon
Draw the structure of the peptide WRCFQ. Show the ionization state that would be the major form at pH 7. (Note: this question addresses your knowledge of the one or three letter codes for amino acids,
Using standard enthalpies of formation from Appendix 2A, calculate the standard reaction enthalpy for the following reaction, the final step in the production of nitric acid
How many moles of gas are in a balloon with a volume of 2.14 liters at a temperature of 298 K and a pressure of 1.11 atm?
The decomposition of SO3 to SO2 and O2 , 24 Kcal/mole of heat is absorbed by the system.
The enthalpy change for the reaction below at 25oC is -1,850 kJ (per mole of C9H20). What is the internal energy change for the reaction at 25oC
Saturated aqueous sodium chloride(d=1.2g/mL) is added to the following mixtures in order to dry the organic layer. Which layer is likely to be on the bottom in each case?
Many scientists and business professionals describe the achievement as a turning point. Provide a summary of what took place during the project and why such activity is significant for us today.
When zn(oh)2 (s) was added to 1.00 l of a basic solution, 1.14×10?2 mol of the solid dissolved. What is the concentration of OH- in the final solution
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