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a) Find the balance reaction and the corresponding E for the oxidation of Fe+2 by dissolved oxygen, O2
b) If water is in equilibrium with the atmosphere with respect to O2 (i.e., PO2=0.21) and pH=7, [Fe+3]= 10-4, and [Fe+2]= 10-7, is the reaction at equilibrium?
For the endothermic equilibrium CaCO3(s) + NH4+(aq) + SO42+(aq) -> CaSO4(s) + NH3(g) + HCO3-(aq), explain the best set of changes to apply in order to increase product yield effectively.
The electron in the He+ ion is excited to the n = 2 principal state. What is the energy of the electron now
a proton in a linear accelerator has a broglie wavelength of 128 pm. what is the speed of the proton?
A first order reaction has a rate constant of 0.251 at 17 degrees C. Given that the Arrhenius constant for the reaction is 8.18 x 10^11 sec^-1, calculate the value of the activation energy in KILOJOULES
Proper procedure for the preparation and standardization of ~300 mL of ~1 M NaOH solution against potassium hydrogen phthalate i.e., this is an acid/base titration, It is desirable for the acid and base
When a nitrite containing sample with a mass of 3.000 g was analyzed, 16.65 mL of 0.1500 M Na2S2O3 solution was required to completely titrate the sample. What is the mass percent of NO2- ion in the sample
The four unit separation train shown in figure 1.1 has been designed to separate 1000 gmol/hr of a hydrocarbon feed containing 20% CH4, 25 % C2H6
predict how the ratio of the equilibrium pressures pso2 would change when the. pso3 temperature of the uncatalyzed
write ground-state electron configurations for these ions, which play important roles in biochemical processes in our bodies. (Use a noble gas core abbreviation)
which is used as a sugar substitute, is produced by the reduction of D-xylose. Draw xylitol. show all hydrogen atoms, and connect the appropriate atoms using bonds
Consider the following standard reduction potentials in acid solution: Cr3+ + 3e- ? Cr Eo = -0.74 V, Co2 + 2e- ? Co Eo = -0.28 V, MnO4 + 8H+ + 5e- ? Mn2+ + 4H2 Eo = +1.51 V
water at 22.0 °C in an insulated coffee cup with a heat capacity of 9.2 J/K. If the final temperature of the system is 35.0°C, what is the specific heat capacity of the alloy in J/(g.K)? Don't include units. cH2O = 4.184 J/g.K the answer is 5.67
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