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Explain what is the oxidation state of the transition metal in the coordination compound Co(NH3)3(SCN)2+? Is the subsequent compound typically used as an oxidizing agent or a reducing agent in aqueous solution?
HNO3
Any help on how to do or start this problem? Even partial solutions would help a lot. Nitrogen in a wastewater treatment plant is in the form of ammonia and ammonium ion and has a total concentration
A can of Mountain Dew soda contains 46 g of sugar. Assuming that your body completely digests this sugar, 170 kcal of heat energy is available from the sugar. Approximately how many grams of water will you have to evaporate as sweat to lose this 1..
Determine the concentrations (in M) of acetic acid and sodium acetate in 0.2 M 'acetate' buffer, pH 6.0. The pKa for acetic acid is 4.76.
Write an empirical formula for each of the following. (using the format CO2 for CO2.) (a) Ethylene glycol, car antifreeze, molecular formula C2H6O2
Calculate the maximum work available from 57.0 g of aluminum in the following cell when the cell potential is 1.15 V. Note that O2 is reduced to H2O. Al(s) | Al3+(aq) || H+(aq) | O2(g) | Pt
Phosphorus pentachloride decomposes to phosphorus trichloride at high temperatures according to the reaction:
An enzyme catalyzed reaction is carried out in a 50mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at the start was 8.0. As a result of the reaction, 00002 mole of H+ were produced. Explain what is the ratio of TRIS base t..
Consider the following reaction at 298 K. 2 SO2(g) + O2(g) ? 2 SO3(g) An equilibrium mixture contains O2(g) and SO3(g) at partial pressures of 0.42 atm and 1.5 atm, respectively. Determine the equilibrium partial pressure of SO2 in the mixture.
A cube of lead (? = 11.3 x 103 kg/m3) is placed in a pool mercury (? = 13.6 x 103 kg/m3). The cube of lead is 3.60 x 102 cm on a side. Calculate the percentage of the cube that is above the pool of mercury.
Given the standard free energies of formation, what is the value of for the cell reaction?
The acid-dissociation constant for hypochlorous acid (HClO) is 3.0 X 10-8 . Calculate the concentrations of H3O+, ClO-, and HClO at equilibrium if the initial concentration of HClO is 0.0090 M.
Write out the balances for the mixing point d) Determine he amount of desalinated water (D) produced, e) Determine the amount of waste brine (B) from the process, and f) Determine the fraction of the brine leaving the osmosis cell that is recycled..
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