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The following sequence of reactions occurs in the commercial production of aqueous nitcric acid:
4NH3(g)+ 5O2(g) -> 4NO2 (g) + 6H2O(l) ΔH = -907 kJ
2NO(g) + O2(g) ? 2NO2(g) ΔH= -113 kJ
3NO2 + H2O(l) -> 2HNO3(aq) + NO(g) ΔH= -139 kJ
Determine the total energy change for the production of one mole of aqueous nitric acid by this process
Determine the delta G associated with the dissociation of 5.0g of C76H52O46 at room temperature in 50mL of pH=7.55 buffered solution that has already had 2.5g C76H52O46 dissolved into it.
Calculate the fraction of lidocaine present in the form LH . MOPS Buffer Ka = 6.3 × 10-8. Lidocaine Kb = 8.7 × 10-7
How is it possible for temperatures below the ice to be actually warmer than surface temperatures
The Fe(OH)3 produced by the process described above is gelatinous so is ignited to convert it to Fe2O3. What is the percent of iron in a solution if 100.0 grams of the solution yielded, upon proper treatment, 0.715 grams of Fe2O3? Note first deter..
Write a flow chart to show how you could separate a mixture ofthe following compounds by using acid-base extraction. all three compounds are crystalline solids and soluble in common organic solvents.
How much energy (in calories) is needed to heat 12cm^3 of fat from room temperature (25C ) to its melting point (35C)? Specific heat of fat 0.45 cal/(g*C, and the density of fat is .94g/cm^3)
What is the hydroniem ion concentration in a solution resulting from mixing 193mL of .100M HCN and 22mL of .100M KOH at 25C? Ka for HCN=4.9x10-10
A 1.28-gram sample of copper is heated with sulfur to produce 1.60 grams of a copper sulfide compund. Calculate the mass percentages of copper and sulfur in the compund.
Predict whether each of the following should form a normal or inverse spinel (hint: think about CFSE's): MgV2O4, VMg2O4, NiGa2O4, ZnCr2S4, NiFe2O4, Mn3O4, Fe3O4
Write balanced chemical equations for the oxidations of methane and methanol to CO2(g) and H2O(l). Calculate the total enthalpy change for complete combustion of the 10.7 X 109 ft3 of methane just described and for complete combustion of the equi..
Environmental magazine about the success of global initiatives in solving environmental concerns, using the Montreal Protocol and ozone depletion as a focus.
When 0.89 g ZnCl2 is dissolved in 280. mL of 0.150 M NaCN, what are [Zn2+], [Zn(CN)42- ], and [CN- ] [Kf of Zn(CN)42- = 4.2 multiplied by 1019]
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