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For which of the following reactions does ?Hrxn representan enthalpy of formation? C(s) + O2(g) -> CO2(g) CO2(g) + C(s) -> 2 CO (g) CO2(g) + H2(g) -> H2O(g) + CO(g) 2 H2(g) + C(s) -> CH4(g)
For the cell reaction Cu(s) + 2Fe3+ ----> 2Fe2+ + Cu2+ Ecell=0.33V What is the value of the equilibrium constant at 25C for the cell reaction
Calculate the radius of iridium (Ir) atom given that Ir has FCC crystal structure, a density of 22.4 g/cm³ and atomic weight of 192.2 g/mol
Give the major force between acetone and chloroform ion-dipole dipole-dipole hydrogen bonding dispersion ion-ion and can you also please explain why
The Na -glucose symport system of intestinal epithelial cells couples the \"downhill\" transport of two Na ions into the cell to the \"uphill\" transport of glucose, pumping glucose into the cell against its concentration gradient
What minimum voltage is required to electrolyze anhydrous HF? Hint: the H-F bond is so polar that liquid HF is essentially composed of H+ and F- ions.
Propose a structure for an amine of formula C4H9N, which does not liberate a gas when treated with NaNO2 and HCl, and has IR absorptions at 917 cm-1, 990 cm-1, and 1640 cm-1,
A solution of calcium ions contains 7 meq/250. cm3 of calcium ion. How many moles of calcium ion does this solution contain
Suppose you did the bromination of cholesterol using bromine in DMSO(dimethyl sulfoxide)/H2O mixture (instead of acetic acid). What product(s) would you get?
4.00 mL of 2.0E-3 M iron(III) nitrate solution is mixed with 5.00 mL of 2.0E-3 M potassium thiocyanate solution, 6.00 mL of 0.500 M nitric acid solution
Oxygen has three naturally occurring isotopes (o-16,o -17, and o-18). The mass and natural abundance of o -16 are 15.9949amu and 99.76% , respectively. The mass and natural abundance of o-17 are 16.9991amu and 0.038% , respectively.
The normal boiling point for acetone is 56.5°C. At an elevation of 5300 ft the atmospheric pressure is 630. torr.
Determine water solubility under normal atmospheric conditions (assuming that Carbon dioxide obeys Henry's law?)
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