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Question- Part 1) Determine the speciation of manganese when 2*10^6 M Mn(NO3)2 added to water at pH 6 and at pH 9. Assume that the manganese does not participate in any redox reactions but remains whooly as Mn^11. Solve manually using the thermodynamic data in Table 9.3 or use MINEQL+ or another computer equilibrium program.
Part 2) Repeat previous problem when 0.1 M NaCl is present. Consider activity corrections.
If possible just a brief explanation how you got the answer?
if 15.0 m3min of steam at 450.0degc and 10.0 bar enters a turbine and leaves as saturated steam at 9.25 bar what is the
A 1.45 g sample of an iron ore is dissolved in an acid and the iron is obtained as Fe+2 (ag). To titrate the solution, 21.6 mL of 0.102 M KMnO4 (aq) is required. The Fe+2 solution reacts with MnO4- as follows: 5Fe+2 (aq) + MnO-4 (aq) + 8H+ (aq) --..
Using the Extended DH Equation, we calculate the activity coefficient, of an ion in solution as, -log = [ 0.253 ± 0.008]/ [ 3.50 ± 0.03]. What is the error in. if the principal uncertainties are in the ionic size and the ionic strength
What undesired by-product could form if reactions involving benzyne are not done under anhydous conditions
The Label on a one pint bottle of water lists the following components. If the density is the same as pure water and you drink 3 bottles of water in one day, how many milligrams of each component will you obtain?
Calculate ?rH° for the reaction 2C(s) + 3 H2(g) + ½ O2(g) ? C2H5OH(l) given the information below. C(s) + O2(g) ? CO2(g) ?rH° = -393.5 kJ/mol-rxn 2 H2(g) + O2(g) ? 2 H2O(l) ?rH° = -571.6 kJ/mol-rxn C2H5OH(l) + 3 O2(g) ? 2 CO2(g) + 3 H2O(l) ?rH° = ..
When steam condenses to liquid water, 2.26 kJ of heat is released per gram. The heat from 168 g of steam is used to heat a room containing 6.44*104 g of air (20ft*12ft*8ft). The specific heat of the at normal pressure is 1.015 J/(g°C).
What would the concentration (or activity) of Hg2+(aq) be in the solution if equilibrium existed between the water in soil pores, the gas and cinnabar
Octane has a density of 0.692 g/mL at 20 degrees celsius How many grams of oxygen are required to burn 1.10 gal of octance.
Explain when sodium metal comes into contact with water, hydrogen bubbles out of the solution (presenting a potential fire hazard)- 2 Na(s) + 2 H2O ? 2 NaOH(aq) + H2(g)
When PCl3(g) (420.9 grams) and 0.007859 mol/L of Cl2(g) in a 390.0 L reaction vessel at 340.0 °C are allowed to come to equilibrium the mixture contains 200.7 grams of PCl5(g). What concentration (mol/L) of PCl3(g) reacted? PCl3(g)+Cl2(g) = PCl5(g..
Analysis of an unknown solution produces absorbance values of: 0.45 @ lambda max for B 0.75 @ lambda max for A What is the molar concentration of the unknown
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