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The corrosion of iron can be thought of as an electrochemical cell reaction. Calculate the voltage difference between two points of corroding iron differing only in their partial pressure of oxygen: 0.20atm of oxygen at one point and 0.0010atm of oxygen at the other. The reaction is:
H2O+Fe(s)+1/2O2(g)---->Fe(OH)2(s)
Determine how many moles of CO 2 would have to be combined at constant temperature and volume to increase the amount of CO to 0.300 moles?
If 15.0 mL of glacial acetic acid (pure HC2H3O2) is diluted to 1.70 L with water, what is the pH of the resulting solution? The density of glacial acetic acid is 1.05 g/mL
Why is acetanilide more reactive than methyl benzoate in a competetive nitration
The total pressure of the mixture is 1.42 atm. What is the partial pressure of O2 in the mixture? (A) 0.211 atm (B) 0.426 atm
what is the relationship between the structure of the fabric molecule and the intensity with which the azo dyes color the fabric?
If the minimum amount of solvent is recrystallized at 12.8 g by heating it to 70 C and sampling it in an ice water bath what is the minimum percent recovery of the recrystallized material?
Draw a titration curve for both of these peptides. Be sure to label the axes properly, indicate the pKa values, the equivalence points and the buffering regions.
Water softeners remove metal ions of Ca2+ and Fe3+ by replacing them with enough Na+ ions to maintain the same number of positive charges in the solution.
she decomposes the mixture in the exact same manner as the lab, and isolates 154 mL of water at the end. if the water temperature is 24oC and the atmospheric pressure is 742 torr, what was the percent by mass of mercury oxide in the mixture
Calculate the pH during the titration of 34.5 mL of 0.507 M triethylamine, (C2H5)3N with 0.148 M HCl after 13.0 mL of the acid have been added. Kb of triethylamine = 5.2 x 10-4.
oxygen gas is collected over water at 25 degrees C. The total pressure of the gas is 780.00 mm Hg. What is the partial pressure of the dry oxygen gas?
when filled with water (d=1.00 g/cm 3) the flask and it contents weigh 518.3 g. what is the flask's volume?
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