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Given the same reactant concentrations, the reaction CO(g)+Cl2(g)------COCl2(g) at 251 degrees celsius is 66.9 times as fast as the same reaction at 165 degrees celcius. Calculate the activation energy for this reaction. Assume frequency factor is constant
At 0°C a 1.00 L flask contains 6.90 10-2 mol N2, 4.40 102 mg O2, and NO at a concentration of 9.00 1018 molecules/cm3. What is the partial pressure of each gas, and what is the total pressure in the flask?
use a sketch to show the change that occurs as a sulfur atombecomes a sulfide ion. describe how the distance from the
How many moles of Fe would be formed from 50 grams of Fe3O4 in the following equation
question what is the chemical formula of the product formed from the reaction of calcium chloride and potassium
A sample of an unknown peptide udergoes a single round of Edman degradation, which liberates ATZ,Gly. Another sample of the peptide is treated with trypsin, and a third sample is treated with chymotrypsin
What is the density of a substance if a 2.50mL sample has a mass of 0.880g at room temperature? ( show calculations) What is the specific gravity of the substance?
Express your answer in condensed form in order of increasing orbital energy. Write out the electron configurations for:
Find the pH of the resulting solution when 20.00mL of a 0.1000M triethylamine (CH3CH2)3N (Kb = 5.2x10-4) solution is titrated with 20.05mL of a 0.1000M HCl solution.
Give a brief discussion of the chemistry of Diels-Alder reactions and why do ENDO products usually predominate
Find the number of automobiles whose total mass is the same as 1.0 mol blueberries if The mass of an average blueberry is 0.77g and the mass of an automobile is 2000 kg ?
Soggy french fries drenched in Vinegar, which is a 0.83M solution of acetic acid. If the acetic acid in vinegar is 0.47% dissociated, calculate Ka for acid. What is the pH of this solution
How many grams of aluminum oxide are produced by the complete reaction of 22.4 g aluminum with excess oxygen
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