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At 25°C, a saturated solution of benzoic acid has a pH of 2.80. Calculate the water solubility of benzoic acid in moles per liter and grams per 100. milliliters.
Explain how many electrons in an atom can have each of the subsequent quantum number or sublevel designations
a 0.0050 molar solution of sugar is separated from pure water by a membrane at 20c. what is the osmotic
A mixture of 0.10 mol of NO, 0.050 mol of H2 as well as 0.10 mol of H20 is placed in a 1.0L vessel at 300K. The subsequent equilibrium is established 2NO(g)+2H2(g) N2(g) and 2H20(g) at equilibrium [NO]=0.062M.
combustion of 1.96g of a compound containing only hydrogen and carbon produced 6.35g of co2 and 2.25g of h2o. the
How many grams of FeSO4.(NH4)2SO4.6H2O (MW = 392.14) must be dissolved and diluted to 250.0 mL to prepare an aqueous solution that is 10.00 ppm Fe2+
Pyrazole has been proposed as a possible nontoxic inhibitor of LADH-catalyzed ethanol oxidation. Suggest a mechanism for the action of this inhibitor.
An electron is confined to a linear region with a length of the same orderas the diameter of an atom (about 100 pm).
Compute the energy required to excite the rotational motion of the molecule to the first ecited statet. How does this energy change if you deuterated the molecule
What is this sum called. Explain the physics of this result. Show that the transform of an exponentially decreasing cosine wave is the convolution of a shifted delta function and a Lorentzian, that is, a Lorentzian at the frequency of the cosine w..
In a particular air mass the concentration of OH was found to be 5.4x10^6 molecules per cubic centimeter and that of carbon monoxide was 81 ppm. Calculate the rate of reaction of OH with atmospheric CO at 30° C
A certain weak acid, HA , has a Ka value of 6.6×10?7. Calculate the percent ionization of HA in a 0.10 M solution. Calculate the percent ionization of HA in a 0.010 M solution.
Discuss why coal in a crushed, granulated, or pulverized form spontaneously combusts? In addition, what health effects are associated with coal dust?
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