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Suggest a reason why the rates of chemical reactions typically increase with increasing temperature.
A particular first order reaction has a rate constant of 1.35 times 10^2 s^-1 at 25 degrees C. What is the magnitude of k at 95.0 degrees C if Ea=55.5kj/mol
Suppose the maxium pressure the vessel can safely with stand id 1.60 atm. what is the maxium temperature in K the gas can have before its pressue might burst the vessel
What is the velocity of a first-order reaction when the reactant concentration is 6 x 10-2 M and the rate constant is 8 x 103 sec-1?
Explain why a hydroxyl group in the para position (p-hydroxybenzoic acid, pKa=4.48) decreases the acidity while a hydroxyl group in the meta position (m-hydroxybenzoic acid, pKa=4.07) increases the acidity relative to benzoic acid (pKa=4.19).
Molten carbonate fuel cells fueled with H2 convert as much as 60% of the free energy relased by the formation of water from H2 and O2 into eletrical energy
Calculate the theoretical yield of aspirin obtained when 2.0 g of salicylic acid and 5.0 mL of acetic anhydride (density = 1.08 g/mL) 2. if 1.9 g of asprin were obtained in this experiment, what would be the percent yield
What are the advantages of also measuring the MS spectrum?
The first-order rate constant for the decomposition of a certain hormone in water at 25oC is 0.125 yr-1. How long will it take for the concentration of the solution to drop from 0.0100 M to 0.0075 M at this temperature
calculate the molality of this solution (in mol solute/kg solvent).
For each of the rate laws below, what is the order of the reaction with respect to the hypothetical substances X, Y, and Z? What is the overall order?
Dr. Carvell made up a 5X stock of ONPG stock solution that has a concentration of 50 mN. The molecular mass of ONPG is 354.7. What is the percent composition of this solution
A 0.1019g portion of an aspirin tablet was dissolved in sufficient water to prepare 1.000L of solution. A pipet was used to transfer 10 mL of the solution to a 100 mL volumetric flask.
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