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A reaction has a rate constant of 1.13×10-2 /s at 400. K and 0.686 /s at 450. K. Determine the activation barrier for this reaction. What is the rate constant at 425 K?
Diethyl amine density (1.0475 g/mL) Diethyl amine MW 73 Diethyl ether density (0.714 g/mL) Hint: Consider at which temperature the reaction is run. Which of the boiling points and melting points might come into play?
A first order reaction A-> Product has a half-life of 19.8 min. What is the rate of the reaction when [A] = 0.632 M
Starting with a tube of these 2 complexes in equilibrium with one another that is purple in color, describe what will be observed after the following manipulations.
Why is the catalyst Copper Chloride faster at the decomposition of hydrogen peroxide than Postassium Iodide and Lead Oxide
What is the empirical formula of the compound?
What are the [H3O+] and the pH of a benzoic acid- benzoate buffer that consists of .32 m C6H5COOH and .12 M C6H5COONa. (Ka= 6.3 x 10^-5)
Calculate the magnitude of the current in amperes if the number of moles of hydrogen gas produced is 4.80×10-4 moles.
You have successfully purified a protein to homogeneity. From gel permeation chromatography studies, you determine that the protein has a molecular weight for 235,000 daltons.
Determine the theoretical and percent yield of your product. In the IR spectrum of phenacetin which peaks are due to the following vibrations: (list the wavenumbers)
Which of the following substances has a standard heat of formation of zero. A. pb @ 1000 degrees C B. C3H8 @ 25.0 C and 1 ATM pressure C. Solid glucose @ room temperature D.N2 @ 25.0 and 1 atm pressure
A metallic element, M, reacts vigorously with water to form a solution of M(OH)2. If M is in Period 6, what is the ground-state electron configuration of the atom
Problem- A concentration cell consists of two Sn/Sn2+ half-cells. The cell has a potential of 0.12V at 25 ?C. What is the ratio of the Sn2+ concentrations in the two half-cells
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