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A current of 3.78 A is pass through a Fe(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 5.80 g of iron?
Aspirin is a monoprotic acid called acetylsalicylic acid. Its formula is HC9H7O4. A certain pain reliever was analyzed for aspirin by dissolving 0.431 g of it in water and titrating it with 0.0430 M KOH solution.
c6h14 is an organic solvent that has a density 0.6603 gcm 3 at the temperature of twenty degree celsius. when hexane
How much helium gas would it take to ?ll a gas balloon with a volume of 1020 cm 3 when the temperature is 39.0? C and the atmospheric pressure is 724 mm Hg? Answer in units of mol.
The patient has a deficiency of argininosuccinate lyase and has very high concentrations of blood glutamine and ammonium ion.
a 5.00 g sample of a large biomolecule was dissolved in 13.0 g of carbon tetrachloride. the boiling point of this
At 295 K, Keq = 7.0 x 10-2 for the following equilibrium: NH4HS(s) = NH3(g) + H2S(g) What is the equilibrium partial pressure (in atm) of H2S
In one experiment, the mass of water is 93.0 grams, the initial temperature of the water is 67.2oC, the mass of liquid nitrogen added to the water is 57.8 grams, and the final temperature of the water, after the liquid nitrogen has vaporized, is 3..
What is the potential (volts) of the cell at 25oC when the appropriate beakers are constructed to have MnO2 = 0.0127 mols, [H+] = 0.0130 M, [Mn2+] = 0.167 M, [IO3-] = 0.146 M, and I2 = 0.0154 mols [Note: The standard reduction potentials of the tw..
what is the lewis dot structure for if6 iodine
10.0 moles of NH3 and 10.0 moles of H2 are introduced into a 2.00 L flask. At equilibrium, 3.0 moles of NH3 gas remain. Calculate Kc for this reaction.
Draw Fisher projections for the following: (a) (R)-2-chloropentane; (b) (2R,3S)-2,3-dichlorobutane; (c) (S)-2-Bromo-2-pentanol;
Guesstimate the extent of the dipole moment of H 2 O in Debye units, treating H 2 O as three point charges. suppose the O-H distance = 1.00 A, angle H-O-H =104°. The
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