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The rate constant (k) for a reaction was measured as a function of temperature. A plot of ln k versus 1/T (in K) is linear and has a slope of -1.49 104 K. Calculate the activation energy for the reaction in kJ/mol.
In the purification process, the organic layer is washed sequentially with 2 M NaOH, water, and saturated aqueous sodium chloride. What is the purpose of each of these washes and why is cold 2 M NaOH recommended
Magnesium hydroxide (Mg(OH)2) reacts with hydrochloric acid to produce magnesium chloride and water. How many liters of 0.8 M HCl react with 0.25 grams of magnesium hydroxide
The energy we get in nuclear reactions comes from ____ A) the sun. B) water. C) energy we put into the reactor. D) work we do on the reactor. E) the mass of the fuel.
Each polypeptide in the alpha keratin dimer has 3.5 residues per turn, resulting in the slight winding, or twist, around the other polypeptide
Do these lambda maxs indicate an increase or a decrease in the energy of the light absorbed as the number of EN ligands bound to Cu(II) increases
What would be the speed of the following particles if they had the same wavelength as a photon of green light (? = 500.0 nm)? Proton (mass = 1.673 × 10-24 g) Neutron (mass = 1.675 × 10-24 g) Electron (mass = 9.109 × 10-28 g) Alpha particle (mass =..
The mass of the isotope, I-129, is 128.905 amu while the atomic mass of the contaminated iodine sample is 127.1982 amu. What is the mass of the contaminant?
a 2.50-l vessel contained 0.0153 mol of phosphorus trichloride 0.0123 mol of phosphorus pentachloride and 0.0831 mol of
By what factor does the fraction of collisions with energy equal to or greater than activation energy of 100kJ/mol change if the temperature increases from 19.0 c to 50.0 c ? Give in scientific notation.
the activation energy for the decomposition of hydrogen peroxide is 43 kjmol whereas when the reaction is catalyzed by
Is there a chart that shows the solubility of SrSO4 in water verses temperature and PH
The hydrolysis of ethyl acetate (CH3COOC2H5) by sodium hydroxide yields ethanol (C2H5OH) and sodium acetate (NaO2CCH3) by the reaction shown
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