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Equations Associated with Enthalpies of Formation
If the heat of formation of H2O(l) is -286 kJ/mol, which of the following thermochemical equations for the formation of H2O is correct?
If the heat of formation of is -286 , which of the following thermochemical equations for the formation of is correct?
H2(g) + O(g) → H2O(g) ΔH=-286 kJH2O(l) → H2(g) + 12 O2(g) ΔH=286 kJ2 H2(g) + O2(g) → 2 H2O(l) ΔH=-286 kJH2(g) + 12 O2(g) → H2O(l) ΔH=-286 kJ2 H(g) + O(g) → H2O(l) ΔH=-286 kJ
Question- The figure in Appendix I gives an elution profile for the following proteins using Sephadex G-100 (Fractionation range 4KDa - 150 kDa)
explain how dissolving the group iv carbonate precipitate with 6m ch3cooh followed by the addition of extra acetic
How many grams of carbon dioxide gas is dissolved in a 1 L bottle of carbonated water if the manufacturer uses a pressure of 2.4 atm in the bottling process at 25 °C?
A solution that is a mixture of 0.4 mol C2H4Br2 and 0.6 mol C3H6Br2 has a vapor pressure of 145 mmHg at a particular temperature. Determine the vapor pressure of pure C3H6Br2 at this temperature,
After 20 days, the sample was fixed utilizing the Winkler method and titrated using a 0.0125 M sodium thiosulfate solution to a starch-iodide endpoint after addition of 6.26 mL of the sodium thiosulfate solution. Define what is the BOD20 and the ul..
A 1.000-mL aliquot of a solution containing Cu2 and Ni2 is treated with 25.00 mL of a 0.03632 M EDTA solution. The solution is then back titrated with 0.02254 M Zn2 solution at a pH of 5. A volume of 18.39 mL of the Zn2 solutio..
in the electroysis of an aqueous solution agno3nbsp0.67gof agis deposited after a certain period of time. what is the
For propanoic acid (HC3H5O2, Ka = 1.3 multiplied by 10-5), determine the concentration of the species present, the pH, and the percent dissociation of a 0.27 M solution.
Question- Show how the rates of each of the following reactions can be expressed in terms of the rates of disappearance of the reactants and the rates of appearance of the products
Electron Configurations of Atoms and Ions The electron configuration of an atom tells us how many electrons are in each orbital. For example, helium has two electrons in the 1s orbital. Therefore the electron configuration of He is 1s^2. Part A Wh..
a mixture of ch4 and h2o is passed over a nickel catalyst at 1000 k. the emerging gas is collected in a 5.00 l flask
When calculating the density of your regularly shaped object, which measurement will limit your final result?
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