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A catalyst decreases the activation energy of a particular exothermic reaction by 38 kJ/mol, to 56 kJ/mol. Assuming that the mechanism has only one step, and that the products are 47 kJ lower in energy than the reactants, sketch approximate energy-level diagrams for the catalyzed and uncatalyzed reactions.
What is the activation energy for the uncatalyzed reverse reaction?
How many moles of NaOH would be required to completley neutralize 37.22mL of 0.25M HCl.
calculate the volume percent and the proof of the ethanol in the unknown solution based on this mass percent. Use the graph from the Introduction that plots the density of ethanol solutions from 20 to 60 mass percent to answer the following questi..
A 2.39-mg sample of safrole was dissolved in 103.0 mg of diphenyl ether. The solution had a melting point of 25.70 C. Calculate the molecular mass of safrole. The freezing point of pure diphenyl ether is 26.84 C, and the freezing-point depression ..
Consider the compounds with the generic formulas listed below and their corresponding molar solubilities in pure water.
in a gas mixture the partial pressures are argon 447 mm hg neon 77 mm hg and nitrogen 144 mm hg. what is the total
Draw the skeletal structure of the major organic product when 2-deutero-2,3-dimethylcyclohexanol is treated with concentrated sulfuric acid under heated conditions
How could you convert butanenitrile into the following compounds? Write each step showing the reagents needed. (b) Butylamine and (c) 2-Methyl-3-hexanone
Write a balanced equation for the reaction that occurs in each of the following cases: (a) Cesium is added to water. (b) Strontium is added to water.
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 10.0g of luminol to H2O creating a solution with a total volume of 75.0 mL.
Is 4,5-dimethyl-2,6-octadiyne chiral. f chiral, give the number(s)(from the IUPAC name) of all chirality center(s) present (increasing numberical order, separated by a comma, no space).
when a glass rod is rubbed with a silk cloth charges appear on both. a similar phenomenon is observed with many other
What effect will increasing the temperature have on the system? Fe3O4(s) + CO(g) ?? 3 FeO(s) + CO2(g) DH°= +35.9 kJ A) No effect will be observed. B) The reaction will shift to the right in the direction of products.
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